Your Best T1D Year

It's Labor Day, college football is back, and Neil just sat through a noon kickoff and surfaced at midnight. Perfect timing to explain what a three-hour sit actually does inside a body with type 1 diabetes: your leg muscles clock out, sugar hangs around in your blood, insulin works alone, and that stubborn afternoon high parks itself on your CGM. You might not have eaten your way into it. You might have sat your way into it.The hope: a 2012 Diabetes Care study found just two minutes of easy walking every 20 minutes meaningfully lowered blood sugar and insulin levels compared to sitting straight through. And the American Diabetes Association's 2025 Standards of Care now officially recommend breaking up sitting at least every 30 minutes. It's in the rulebook your endo reads.In this episode:* What happens to glucose and insulin during a long unbroken sit* The 2012 study: two minutes of strolling every 20 minutes moved real numbers* The ADA's new every-30-minutes guideline, explained in plain English* Why football Saturdays are a blood sugar event of their ownYour challenge: one time this week, catch yourself mid-long-sit and just get up for two minutes. Consider it a test drive.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

How many steps do you actually take on a normal day? Not your best day, a regular Tuesday. Check your phone, and prepare to appeal the ruling. In this episode Neil breaks down the gap between how active we feel and what the step count says, and why being busy and actually moving are two different things for blood sugar.Then two stats that change the whole conversation. Most adults with type 1 diabetes do not hit the recommended 150 minutes of weekly activity, and the number one reason in the research is fear of going low, not laziness. And that famous 10,000 steps goal? A 1960s Japanese pedometer slogan, not science. A 2022 Lancet Public Health study of about 47,000 adults found the big health benefits show up way before 10K.In this episode:* The real reason people with T1D move less, straight from the research* Where 10,000 steps actually came from, and what the science says instead* 47,000 adults, 40 to 50 percent lower mortality risk, no gym required* How to find your true step baseline this weekendYour challenge: two numbers at bedtime for a few days, your steps from your phone and your longest sit. That baseline is the only number you'll ever compete against here.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Welcome to Keep It Moving, the new 8-week challenge for people with type 1 diabetes, and meet the villain: the chair. Nobody decides to sit for half a day. The chair decides for you, quietly, like a Netflix autoplay countdown, and your blood sugar pays the tax. Neil opens with his own confession: eight back-to-back Zoom meetings, a 4am run that turned into a fully sedentary day, and the insulin sensitivity drop he can feel by every afternoon.This is not a fitness challenge. No gym, no gear, no 10,000 steps. The problem is long, unbroken sitting, and the fix is smaller than anyone has told you. Starting now, right before the fall slump steals everyone's movement, about 2,000 people with T1D are getting ahead of it together.In this episode:Why sitting, not exercise, is the real blood sugar problem for most of usHow long unbroken sitting quietly raises insulin needs through the dayWhat the fall slump does to activity and A1C, and why we start in SeptemberThe before picture: the one number to notice this week without changing anythingYour challenge this week: change nothing. Just notice your longest unbroken sit each day. No guilt, no fixing. We're taking the before picture.Helpful resources and newsletter: https://yourbestt1dyear.com Connect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.com Books on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Eight weeks ago, you were spiking after dinner and blaming yourself for it. This is the finale of The Head Start, and instead of another recap, Neil reads two listener stories that say what these eight weeks were really about, one from a woman who cried at her kitchen sink the first time she saw a flat 140, and one from a 31-year veteran whose time in range jumped from the low 60s to 81%.Then Neil looks ahead. Starting in September, the next challenge is steps, just walking, and it's the perfect sequel to pre-bolusing. One walk can improve insulin sensitivity for 24 to 48 hours, a 10-minute walk after a meal lowers the spike, and breaking up sitting can cut the after-meal glucose rise by about 28%. We start in September and October, before the cold-weather slump, because A1C is at its lowest then and climbs through winter as we move less.In this episode:Two real listener stories on what pre-bolusing changed for themWhy time in range is protecting your health for years to comeA first look at the next challenge: steps and walking for T1DThe science of walking, insulin sensitivity, and post-meal blood sugarFinal Challenge: Keep pre-bolusing your dinner, it's yours now. And if you're feeling good tonight, take a short walk after dinner, a little sneak preview of September.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Raquel Baron was diagnosed with type 1 diabetes at five years old and left the hospital late to her own birthday party. Twenty-four years later, she's the founder and CEO of Type One Together, home of the T1D Babysitter List, now over 4,000 sitters nationwide who either live with type 1 or love someone who does. It started as one college student in Austin with 14 names written on a piece of paper. This week, Neil pulls up a chair at the kids table.This one is for the T1D parents. Pre-bolusing is hard enough as an adult. Try doing it for a picky toddler who might eat all the mashed potatoes, none of them, or hit the trampoline right after dinner. Raquel breaks down why chasing one perfect dose is the trap, how to dose for the carbs you KNOW they'll eat, and why splitting the dose into little swings beats swinging for the fences. Then she gets honest about the part nobody says out loud: why telling kids to hope for a cure can quietly backfire, and what she wants every worried parent to hear from the kid who grew up on the other side of it.In this episode:Why kids miss so many doses... research Neil shares shows more than 1 in 4 meals gets a late or missed bolus, and about half of snack boluses in kids never happenThe stat that stops you cold: kids who get their boluses on time are about 24 times more likely to be in excellent controlRaquel's "safe number" method: dose for the food you know they'll eat, keep an emergency treat in the pantry, and add insulin as the meal unfoldsThe pediatric guidelines that give parents permission to dose during or after meals for little ones... you are not failing if the 15-minute head start doesn't happenHanding off T1D responsibility in stages, from "press the button for me" at toddler age to the high schooler who wants the freedomCGM anxiety is real: why parents can't put the phone down, and the ten-minute timer trick from the Better Together communityDiabuddies, the babysitter question every parent forgets to answer, "hope isn't a strategy," and a NEW Fastest Five Minutes world record (30 answers, sorry Natalie)This Week's Challenge: Parents, pre-bolus for the safe number. Look at the plate, find the carbs your kid will absolutely eat, and get that insulin going. No bullseye required. Little swings win.Learn more about Type One Together, the T1D Babysitter List, and the Better Together community: https://www.typeonetogether.comHelpful resources and newsletter: https://yourbestt1dyear.com Connect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.com Books on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Previously, on The Head Start: a man admitted he's had type 1 for 34 years and still sometimes doses with his mouth full, and an entire audience realized the after-dinner spike was never their fault. This is the greatest-hits recap, and this time it comes with the receipts.Neil runs the whole arc, the fear, the junk drawer of reasons, why food beats insulin to the finish line, and then the science: 15 minutes early can cut your peak by about 50 points, the sweet spot is 15 to 20 minutes, and pre-bolusing did not raise lows. Plus the August numbers, 27% of meals get a late or missed bolus, a high-fat meal can need 42% more insulin, and even 20-year veterans miss carb counts by about 15 grams. Eight weeks, one real skill.In this episode:The full eight-week arc, from fear to flat linesThe headline studies and numbers behind pre-bolusingThe August real-life lessons: restaurants, pizza, tech, and the kids' tableProof of how far you've come since Episode 216This Week's Challenge: Pull up your two-hour numbers from week one next to now. Compare them side by side. That difference is your receipt. Keep it.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

The challenge is almost over, so the real question is what happens next week, when Neil isn't in your ears three times a week. This episode is about making the pre-bolus habit last past the finish line, and it's grounded in habit science.A study by Phillippa Lally found it takes about 66 days on average for a behavior to become automatic, but the range is huge, 18 to 254 days. So if pre-bolusing still takes effort, you're not failing, you're on a normal curve. The best finding: missing a single day did not break the habit. Neil also makes the timely case for locking it in now, heading into back-to-school season, so the new routine gets built while everything's already being rearranged.In this episode:Why habits that last are the ones that got easy, not white-knuckledThe Lally study: about 66 days to automatic, and one missed day is fineHow to habit-stack your pre-bolus so it survives busy seasonsWhy back-to-school is the perfect time to lock it inThis Week's Challenge: Write down, somewhere you'll see it, the one reason YOU want to keep pre-bolusing. When motivation dips in a few weeks, that note is what carries you.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Remember day one, when the after-dinner spike was just the rent you paid for eating? Now think about last week, when you pre-bolused, ate, and looked down at a flat, boring, beautiful CGM line. This episode is about that feeling, because that feeling is the whole point.Neil shares what people describe when it clicks, not the number, but "I didn't have to correct," "I wasn't cranky all evening," "I forgot I had diabetes for a couple hours." And he grounds it in the science: a 2019 study by Beck found that every 10% you add to your time in range is roughly a 0.6% drop in your A1C, and a re-analysis of the DCCT linked higher time in range to lower rates of microvascular complications, your eyes and kidneys. That flat line isn't just a calmer evening, it's years.In this episode:Why the first flat post-meal line feels so goodWhat time in range actually buys you, day to dayThe Beck study: every 10% more time in range ~ 0.6% lower A1CHow better time in range protects against long-term complicationsThis Week's Challenge: Catch one flat line and actually notice it. Don't scroll past your own CGM, look at it, and say, "I made that happen." Credit the win.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Here's the permission slip every T1D parent needs: with a young child, dosing during or after the meal is not cheating. It's not failing at pre-bolusing. It is, in plain black and white in the international pediatric diabetes guidelines, an okay thing to do. Parents, exhale.The people who write the rules for kids with type 1, ISPAD, carve out a specific exception for infants and toddlers who are unreliable eaters. It's not a loophole, it's the guidance, built on the real risk of lows in tiny bodies. And the other direction is backed too, when you can dose before the meal, kids hit a lower glucose peak and a lower A1C, with no extra hypoglycemia. Before when you can, after when you can't, and both are in the book.In this episode:Why dosing after the meal is allowed for young kids (per ISPAD)The reason the guidelines built in the toddler exceptionThe research supporting pre-meal dosing when it's safeLetting go of the guilt you don't need to carryThis Week's Challenge: For the parents, let go of one piece of guilt. If you've been forcing an early dose and stressing about lows, try dosing right after the meal this week for what they actually ate, and bring it to your care team.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Your toddler asked for the macaroni, then looked at it like you served packing peanuts and demanded the one other food in the house, and you've got insulin on board for a meal that just got canceled. This episode is for the parents dosing into pure chaos.Neil pulls the playbook straight from the pediatric diabetes guidelines. The split: dose for the part you're sure they'll eat, then give the rest after. ISPAD recommends a combo or dual-wave bolus for uncertain eaters, part before, the rest over 20 to 40 minutes once you see what got eaten. And there's good news in the research, a systematic review found that pre-meal dosing, when you can pull it off, lowered the after-meal peak and even lowered A1C, with no increase in lows. Keep fast carbs on the table, always.In this episode:The split-dose strategy for a kid who might not finishThe ISPAD combo/dual-wave bolus for uncertain eatersThe research: pre-meal dosing lowered peaks and A1C with no extra lowsWhy fast carbs on the table are non-negotiable with little onesThis Week's Challenge: For the parents, try the split on one unpredictable meal. Dose for what you're sure they'll eat, then top up after. Notice how much less terrifying that is.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

She stopped counting years with type 1 a long time ago. Natalie Bellini counts days... more than 20,000 of them. This week Neil finally gets his dream guest: Natalie Bellini, DNP, FNP-BC, BC-ADM, CDCES, nurse practitioner, assistant professor of medicine at Case Western Reserve University, and program director for diabetes technology at University Hospitals in Cleveland. She has lived with type 1 diabetes for 55+ years, her husband has it too, and she still uses the word pre-bolus a dozen times a day with the people she treats.This is the pre-bolusing conversation for the rest of us. Natalie breaks down why the two hours after each meal (that's six hours of your day) quietly decide your time in range, why even the best automated insulin delivery system can't catch a meal it never saw coming, and the baby-step way to start pre-bolusing when fear of lows has kept you on the sidelines. Then she gets real about the parts of care nobody talks about: meeting patients where they are, why having diabetes doesn't automatically make you a better clinician, and the screening mission she helped build with her own family's blood work.In this episode:What pre-bolusing actually is in plain English... your carbs are fast, your "rapid-acting" insulin is not, and timing is how you stop the chaseWhy post-meal spikes are 25% of your number, and where pre-bolusing lands on Natalie's top-four list for a 20-minute appointmentThe baby-step method: pick one meal (breakfast is the easy win), start with 10 minutes, split the dose, treat the high first, and know when NOT to pre-bolus"Your diabetes is a two-year-old"... why AID pumps still need you to announce meals, and what a missed pre-bolus looks like on your CGMThe rookie mistake that makes people quit (too much insulin up front, usually at a restaurant), and how little swings beat big onesHer screening passion: three blood tests at ages 2, 6, and 10 can catch 80% of kids on the path to type 1 before DKA ever happensTrue or False, a Diabetes Confession Booth for the ages (she borrowed her husband's insulin pump at dinner... it works), and a tie of the Fastest Five Minutes world record (29 answers!)This Week's Challenge: Pre-bolus one meal. Pick a day you're not working, keep carbs within reach, treat the high first, and start with just a little insulin up front... even five minutes early counts. Trust the behavior, then watch the curve change. Slow and steady wins this race.Learn more about Blue Circle Health, get care, give care, or join the movement: https://bluecirclehealth.org Helpful resources and newsletter: https://yourbestt1dyear.com Connect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.com Books on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

You pre-bolus. You give it the 15 minutes. You watch the arrow. And you're still spiking. Don't throw out the challenge, that spike is a clue. Neil puts on the detective hat, because timing is huge, but it isn't the only dial on the dashboard.If your timing's perfect and you're still climbing, the amount may be the problem, and the most common culprit is the carb count. A study by Brazeau found that adults with type 1, averaging 21 years of experience, were off by about 15 grams of carb per meal, roughly 21% of the plate, and underestimated 63% of the time. Neil walks through the other usual suspects too, fat and protein, stress, hormones, and exercise, and how to troubleshoot with your care team.In this episode:Why perfect timing doesn't always fix a spikeThe Brazeau study: even veterans miss carb counts by about 15 gramsThe other suspects: fat, protein, stress, hormones, exerciseHow to play detective on one meal without changing doses soloThis Week's Challenge: If you're pre-bolusing well and still spiking, play detective on one meal. Weigh or honestly eyeball the carbs, see if the count was off, and bring what you find to your care team.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

"Neil, I use Fiasp, or Lyumjev, or Afrezza, do I even have to wait?" Great question, and this episode gets genuinely nerdy about the answer. Fiasp and Lyumjev are ultra-rapid analogs, built with ingredients (niacinamide in Fiasp, citrate and treprostinil in Lyumjev) that speed up subcutaneous absorption. Afrezza is inhaled Technosphere insulin with a Tmax around 12 to 15 minutes that delivers more than half its effect in the first hour, versus about 10% for regular rapid insulin.So the fast insulins shrink the pre-bolus window. But here's the honest part: most people aren't on them, and standard rapid insulins like Humalog and Novolog are excellent. The whole point of the challenge, timing, is the great equalizer. Know your insulin, and you know how big your head start should be.In this episode:The pharmacology of Fiasp, Lyumjev, and Afrezza, in plain EnglishWhy inhaled Technosphere insulin peaks in about 12 minutesWhy the fast insulins shrink, but don't erase, the pre-bolus windowWhy standard rapid insulins still run beautiful numbersThis Week's Challenge: Know your insulin. Look up, or ask your care team, roughly how fast the insulin you take starts working. That one fact tells you how big your head start should be.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

If you're on a closed-loop system, Control-IQ, Omnipod 5, or Loop, you've probably wondered whether the algorithm means you're off the hook for pre-bolusing. Neil has to be the one to tell you: you still do it. These systems are an incredible co-pilot, but they're not a self-driving car you can nap in.Here's the reason, with a real number. In Omnipod 5 data, when people skipped the meal bolus, the algorithm poured in about 16% of their total daily insulin over the four hours after the meal trying to catch up, and it still couldn't stop the spike. These hybrid closed-loop, or automated insulin delivery (AID), systems are reactive, they respond after glucose rises. The guidance to bolus 10 to 15 minutes early is published, not opinion.In this episode:Why closed-loop pumps still need you to pre-bolus your mealsThe Omnipod data: the algorithm used ~16% of daily insulin and still spikedWhy AID systems are reactive, not predictiveWhy bolusing TOO early can backfire on a closed loopThis Week's Challenge: If you're on a closed-loop system, give your meal dose about 10 to 15 minutes before dinner and watch how your system rides along. Compare it to dosing at your first bite.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Some nights you do everything right and it still goes sideways. The dinner party, the cookout with the moving-target food, the night you're so fried you only remember to bolus while scraping the plate. This is permission day. Missing doesn't mean you failed the challenge, it means you have a life with other humans in it.Neil gives the real-life moves for the messy nights, and grounds them in data. Remember that 27% of meals get a late or missed bolus? Here's the kicker: young people with type 1 who never miss their boluses were 24.5 times more likely to be in excellent control than poor control. So catching a forgotten dose and taking it late isn't damage control, it's the single biggest difference-maker on the board. A late bolus beats a no bolus every time.In this episode:Real-life moves for social meals, cookouts, and buffetsWhat to do the night you completely forget to bolusWhy kids who never miss boluses were 24.5x more likely to be in great controlWhy consistency, not perfection, is the whole secretThis Week's Challenge: Have one of those messy nights, and practice not spiraling. Miss it, catch it, move on. Prove to yourself one imperfect night doesn't torch the whole thing.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Some meals spike you and move on. Pizza spikes you, waves goodbye, and comes back four hours later like a horror-movie villain. If you've ever been 110 at bedtime and 260 at midnight, this episode explains the ambush, and it's backed by real research.A 2013 study led by Howard Wolpert in Diabetes Care fed people the same carbs, but one meal was high in fat. The high-fat meal required about 42% more insulin over the following five to ten hours and drove hyperglycemia for hours, even with extra insulin. The reason is that fat slows gastric emptying, so glucose trickles out over hours instead of arriving at once. Neil explains the tools that help, extended, combo, and dual-wave boluses, and why carb-counting math alone can't cover pizza.In this episode:Why high-fat meals like pizza cause a delayed, second-wave spikeThe Wolpert study: 42% more insulin for a high-fat meal, same carbsHow fat slows gastric emptying and stretches out your glucose riseExtended, combo, and dual-wave boluses, explained simplyThis Week's Challenge: Next time you eat a high-fat meal, just watch what happens two, three, four hours later. Witness the second wave, then ask your care team if an extended bolus makes sense for you.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

"It'll be right out" might be the most cursed sentence in all of type 1 diabetes. August is about making your pre-bolus habit survive the real world, and we start with the hardest place to do it: restaurants and delivery, where you don't control the clock. Neil's move is simple, wait for proof of life. Dose when you can actually see the food heading your way, not a second sooner.And here's why it matters, with real numbers. Researchers found that 27% of meals get a bolus that's either late or skipped, and eating out is one of the biggest reasons, because you can't time what you can't predict. A 2024 study found that later dosing meant lower time in range all evening. So "I'll bolus whenever the food shows up" isn't harmless, it's a measurable hit to your numbers.In this episode:The one rule for pre-bolusing when you don't control the clockWhy 27% of meals get a late or missed bolus (ADA data)How eating out quietly tanks your time in rangeThe "wait until you see the food" strategy for restaurants and deliveryThis Week's Challenge: One restaurant or takeout meal. Practice the "wait until you see it" move, dose when the food is in front of you or clearly on its way.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

You do not have to be a pre-bolus athlete on day one. If "10 to 15 minutes" felt like too much, Neil takes the pressure all the way down: start with five minutes. Even five to seven minutes of head start beats dosing with your first bite, because insulin is a slow sunrise, not a light switch. Then you build, five, then seven, then ten, creeping up to your sweet spot.Neil closes out month one with the posture that makes this stick: observe, don't judge, and beat the forgetting with a system, tie your dinner dose to something you already do every night. He also recaps the whole month and previews August, where we make this habit survive real life, restaurants, the tech, and the kids' table.In this episode:Why even a 5-minute pre-bolus beats dosing at your first biteHow to build from 5 minutes up to your personal sweet spotBeating the forgetting by stacking the dose onto an existing habitA full recap of month one, and a preview of AugustThis Week's Challenge: Keep pre-bolusing dinner. Start at five minutes if that's your comfort zone, build toward your number, and stack it onto a habit so you don't forget.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

If pre-bolusing were a video game, breakfast would be the level everybody rage-quits on. You're rushed, half asleep, and half of us don't even eat it. So we don't start there. We start on the easy level: dinner. Neil makes the case that dinner is the cheat code for learning to pre-bolus.Three reasons: you see it coming (you've had all day to plan), you're usually home and control the clock (which kills the "I dosed and the food never came" fear), and you've got time while it cooks. Then the simple how: check your number and arrow, dose about 10 to 15 minutes before you eat, watch the arrow, and eat, with fast carbs on the table as backup. Check, dose early, watch, eat.In this episode:Why dinner is the smartest meal to start pre-bolusingThe four-step dinner pre-bolus routine, kept simpleHow being home removes the biggest pre-bolus fearWhat to compare against your day-one "before" numberThis Week's Challenge: This is the week. Pre-bolus your dinner. Check, dose 10 to 15 minutes early, watch the arrow, eat, net on the table. Then compare your two-hour number to where you used to land.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

We all know we're supposed to pre-bolus. We've known for years. So why do almost none of us actually do it? This week Neil steals an hour with Dr. Monica Gomberg, board certified endocrinologist at Blue Circle Health and, as far as this podcast is concerned, America's Endocrinologist.This is the conversation you wish you could have if your endo appointment lasted longer than 15 minutes. Dr. Gomberg breaks down what pre-bolusing actually is in plain English, why the fear of going low is real trauma and not weakness, and the smallest, safest way to start if you've been burned before. Then she takes the doctor hat off entirely: why she walked away from private practice to help build Blue Circle Health, what she wishes she could say in every appointment, and why the system, not you, is the thing that's failing.In this episode:What pre-bolusing is and why timing matters (hint: your food is faster than your insulin)The two real reasons we skip it... life happens, and fear of lows. Neither one makes you lazyThe smallest first step for someone who's never pre-bolused: one familiar meal, a safety net, and permission to start with just five minutesWhen you should NOT pre-bolus (gastroparesis, high fat and protein meals, exercise timing)What a missed pre-bolus actually looks like on your CGM, and why your pump can't fix it alone, even in automated modeWhy the 15-minute appointment fails patients AND doctors, and how Blue Circle Health defines care differently (community, insurance help, keeping the lights on... all of it counts)True or False, the Diabetes Confession Booth, and a new Fastest Five Minutes world record (29 answers!)This Week's Challenge: Pre-bolus dinner. Start wherever feels safe, even just a few minutes early, even with a split dose. Carbs on the table, eyes on the arrow. You've got the net now. Time to use it.Learn more about Blue Circle Health, get care, give care, or join the movement: https://bluecirclehealth.orgHelpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

A short, warm one before the start line. Neil reminds you how far you've already come. Three weeks ago, pre-bolusing was a scary thing you knew you should do and didn't. Now you've named the fear, you understand why the spike happens, you've seen the studies, and you've practiced reaching for the safety net. You've already done the hard parts.Neil is also honest about what starting actually looks like, and it's not fireworks. It's quiet. You dose a few minutes before dinner, you eat, you look up two hours later, and your number is a little flatter than usual. That's the whole event. It's a small habit, built one boring dinner at a time, until one day you forget it ever scared you.In this episode:Why you've already done the hardest parts of pre-bolusingWhat starting actually looks like (hint: not fireworks)How a small daily habit quietly changes your numbersGetting ready to take your first real pre-bolusThis Week's Challenge: Pick the night. Find the dinner where you'll be home, relaxed, and in control of the clock, and decide, that's my first one. Don't even do it yet. Just pick it.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Consider this your permission slip, signed by 34 years of mistakes. If you pre-bolus and the food shows up late and you start to drop, you are allowed to eat a few fast carbs to hold steady and cover them later. That's not failing. That's the move. Neil lays out the three-part safety system that turns pre-bolusing from a leap of faith into a thing you just do.Move one: catch an early drop with fast carbs. Move two: know when NOT to pre-bolus at all, when you're low or dropping, before cardio, when the food's timing is a mystery, or when you're queasy. Move three, the pro move: let your starting number and your CGM trend arrow set your timing. Seatbelt, airbag, backup camera. With these in place, pre-bolusing stops being scary.In this episode:The one move that catches an early low before it happensWhen you should NOT pre-bolus (exercise, restaurants, feeling low)How your CGM trend arrow tells you when to wait and when to eat firstWhy these three moves make pre-bolusing nearly foolproofThis Week's Challenge: Keep the fast carbs on the table. If your number's on the lower side before dinner, eat a couple bites first, then dose. Practice "eat a little, then insulin."Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

The fear of going low is real, and Neil would never talk you out of it. But it's also quietly running a tab, and the bill comes due in time in range. A 2024 study found that people with more fear of hypoglycemia dosed their meals later, and those later doses tracked with lower time in range and more time running high.Here's the part that should shrink the fear: in the studies that tested pre-bolusing, the lows did not go up. Not in the big pediatric review, not in the 15-minute study. Pre-bolusing isn't more insulin, it's the same insulin at a smarter time. And in a survey of over 1,400 people with type 1, 52% said their fear of lows dropped once they felt more confident dosing. We don't bulldoze the fear. We out-confidence it.In this episode:How dosing late quietly lowers your time in rangeThe research showing pre-bolusing did NOT increase lowsWhy confidence, not willpower, is what shrinks the fearBuilding the safety net before you startThis Week's Challenge: Before you sit down to dinner, put fast carbs on the table, within reach. You don't have to pre-bolus yet. Just get used to the net being there.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Today Neil stops saying "trust me" and starts saying "here's the study." A trial published in Diabetes Care found that dosing rapid insulin 15 minutes before a meal dropped the blood sugar peak to about 167, versus about 221 when dosing at the meal. That's a 50-point lower peak, from timing alone. Same dose, same food.Then the twist that keeps you from getting weird about it: a second study in Diabetes Technology & Therapeutics found 20 minutes early won at the one and two-hour marks, but 30 minutes early did NOT beat 15. There's a sweet spot, usually 15 to 20 minutes for most people on regular rapid insulin, and your exact number is yours to find. This is the proof that this one small change is worth it.In this episode:The Diabetes Care study: 15 minutes early cut the peak by about 50 pointsWhy earlier isn't automatically better (the sweet spot explained)The 15-to-20-minute window most people land inHow to start hunting for your own personal pre-bolus timingThis Week's Challenge: Get honest about your natural timing right now. When you sit down, are you dosing early, late, or mid-chew? Find your starting line.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

Half the planet is watching the World Cup, so Neil explains the mechanism of the post-meal spike in soccer terms. Your food is the striker, already past the defense. Your insulin is the defender who got subbed in late and is still jogging back. That mismatch is the entire reason you spike.This is the "how it works" episode. Regular rapid-acting insulin takes about 15 minutes to start, peaks around an hour, and lasts three to four hours. Your dinner carbs hit your bloodstream almost immediately. Dose them at the same time and the food scores before the insulin is even in the game. The fix is simply to put your insulin in first, so they arrive together and your CGM line stays flat and boring, which in type 1 is the dream.In this episode:How fast rapid-acting insulin actually works vs. how fast carbs hitThe pharmacokinetics of insulin timing, in plain EnglishWhy a "flat and boring" CGM is the whole goalHow pre-bolusing matches your insulin to your foodThis Week's Challenge: Keep watching the gap between your dose and your first bite at dinner, and now you know what it means. Every minute your insulin is behind, the food is on a breakaway.Helpful resources and newsletterConnect with Neil: TikTok | Instagram | Facebook | LinkedIn | WebsiteBooks on Amazon: Type 1 Diabetes – One Day at a Time | Type 1 Diabetes – True Stories

Everybody with type 1 diabetes knows they should pre-bolus. Almost nobody actually does it. In this episode, Amanda Mueller (@bolusandbiceps), certified personal trainer and T1D coach, breaks down why insulin timing is not a willpower problem... and how to fix it one meal at a time.Amanda was diagnosed with type 1 diabetes at 24 after landing in the ICU with DKA and a blood sugar over 1,000. She spent years checked out from her diabetes before strength training brought her back. Now she coaches women with T1D on exercise, insulin timing, and the hormone-blood sugar connection almost nobody talks about.We cover pre-bolus timing, fear of hypoglycemia, exercising after insulin, closed-loop pumps and why the algorithm doesn't save you at mealtime, and what to do when the food shows up late.Part of The Head Start pre-bolus challenge.What We CoverGetting diagnosed with type 1 diabetes as an adult (and why it hits different at 24)The DKA story: phantom baked-goods smell, the ICU, and a blood sugar over 1,000Diabetes burnout and the years Amanda disassociated from her T1DHow strength training rewired her relationship with the diseaseWhy she coaches women with T1D specifically (hormones, cycles, and insulin)Pre-bolusing 101: what it is and why timing beats mathThe research: dosing 15 minutes early can cut post-meal spikes by about 50 pointsFear of going low: the real reason your bolus is latePre-bolusing before exercise without crashing mid-workoutStrength training vs. cardio and what each does to blood sugarClosed-loop pumps (Tandem Mobi): why you still need to pre-bolus on an algorithmWhat to do when the restaurant food runs late (hint: it's not failing, it's adapting)About Amanda MuellerAmanda Mueller is an ISSA Certified Personal Trainer, Corrective Exercise Specialist, and Nutrition Coach living with type 1 diabetes since her diagnosis at age 24. Through Bolus & Biceps, she coaches women with T1D on strength training, insulin timing, and blood sugar management around exercise and hormones.Follow Amanda // Instagram: @bolusandbicepsHelpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES: We’ve spent a week and a half in the problem, the spike, the loop, the fear. Today the sun comes out. Neil turns the corner to the fix, and it’s almost annoyingly simple: your food is fast and your insulin is slow, and when they start at the same time, the food wins the first hour. The fix isn’t more insulin or better carb counting. It’s timing.You give the insulin a small head start so it’s awake by the time the food arrives. Same dose, same dinner, different clock. That’s the whole name of the challenge, The Head Start. Neil keeps the science for next week and instead leaves you with hope: the early low you’ve been afraid of is a timing-and-preparation problem, and those can be solved.In this episode:The one-sentence reason you spike after mealsWhy the fix is timing, not more insulin or new gearWhat “The Head Start” actually means for your dinnerWhy the fear of the early low is a solvable problemThis Week’s Challenge: Notice the GAP. How long between when you dose and your first actual bite at dinner? For a lot of us, it’s zero. Just clock it.Helpful resources and newsletterConnect with Neil: TikTok | Instagram | Facebook | LinkedIn | WebsiteBooks on Amazon: Type 1 Diabetes – One Day at a Time | Type 1 Diabetes – True Stories

SHOW NOTES: Here’s the quiet part said out loud: the reason you don’t pre-bolus is not that you’re lazy or that you don’t care. It’s that it scares you. Neil names the specific fear at the center of the whole challenge, the fear of going low before the food arrives, and tells you the truth, 34 years in, it still scares him too.This is the episode nobody put in the pamphlet. The pamphlet says “pre-bolus 15 minutes before your meal” and leaves you alone with the little spike of panic when the arrow turns down and the food isn’t ready. Neil validates that fear completely, because it’s not a character flaw, it’s your survival brain doing its job. And then he promises what’s coming: not pretending the fear away, but out-preparing it.In this episode:The fear of hypoglycemia and why it stops us from pre-bolusingWhy that fear is normal, rational, and not a personal weaknessWhat the pamphlets never tell you about insulin timingHow we’re going to face the fear instead of ignoring itThis Week’s Challenge: The next few times you decide NOT to pre-bolus, catch yourself and notice what you’re feeling. Fear? Forgetting? No time? Just get honest about it.Helpful resources and newsletterConnect with Neil: TikTok | Instagram | Facebook | LinkedIn | WebsiteBooks on Amazon: Type 1 Diabetes – One Day at a Time | Type 1 Diabetes – True Stories

SHOW NOTES: Here’s the quiet part said out loud: the reason you don’t pre-bolus is not that you’re lazy or that you don’t care. It’s that it scares you. Neil names the specific fear at the center of the whole challenge, the fear of going low before the food arrives, and tells you the truth, 34 years in, it still scares him too.This is the episode nobody put in the pamphlet. The pamphlet says “pre-bolus 15 minutes before your meal” and leaves you alone with the little spike of panic when the arrow turns down and the food isn’t ready. Neil validates that fear completely, because it’s not a character flaw, it’s your survival brain doing its job. And then he promises what’s coming: not pretending the fear away, but out-preparing it.In this episode:The fear of hypoglycemia and why it stops us from pre-bolusingWhy that fear is normal, rational, and not a personal weaknessWhat the pamphlets never tell you about insulin timingHow we’re going to face the fear instead of ignoring itThis Week’s Challenge: The next few times you decide NOT to pre-bolus, catch yourself and notice what you’re feeling. Fear? Forgetting? No time? Just get honest about it.Helpful resources and newsletterConnect with Neil: TikTok | Instagram | Facebook | LinkedIn | WebsiteBooks on Amazon: Type 1 Diabetes – One Day at a Time | Type 1 Diabetes – True Stories

SHOW NOTES: You counted the carbs. You took the right dose. Two hours later you’re 240, and you have no idea why. If that number breaks your heart a little, this episode is for you. Neil sits in the problem of the post-meal spike, the one that feels like a personal failing but almost never is.This is the roller coaster every person with type 1 diabetes knows: spike, correct, drift low, snack, climb again, and it’s 9pm and you’re stacking insulin and snacks in the dark. Neil makes the case that this whole loop usually traces back to one thing, the food got a head start and your insulin spent the first hour catching up. It’s not your discipline. It’s your timing. And timing is the most fixable variable in type 1.In this episode:Why the after-dinner spike feels like your fault but usually isn’tThe correction-and-crash loop that wrecks your eveningWhy the timing of your dinner bolus is the most fixable variable in T1DWhat this challenge is really trying to give you backThis Week’s Challenge: Keep noticing your blood sugar two hours after dinner. Peek at your number right before you eat, too. Two snapshots. Change nothing yet.Helpful resources and newsletterConnect with Neil: TikTok | Instagram | Facebook | LinkedIn | WebsiteBooks on Amazon: Type 1 Diabetes – One Day at a Time | Type 1 Diabetes – True Stories

SHOW NOTES: You already know you should pre-bolus. Your endocrinologist has told you. Every diabetes educator has told you. And you still dose with your first bite, same as the rest of us. Neil Greathouse, who has lived with type 1 diabetes since 1992, kicks off The Head Start, an eight-week challenge all about pre-bolusing your insulin, by admitting he doesn't do it perfectly either.Here is the reframe that changes everything: pre-bolusing is not a knowledge problem. Almost nobody with type 1 needs it explained. It's a fear problem, a forgetting problem, and a "the food came late one time" problem. Over the next eight weeks, we fix it gently, using dinner as our meal, with about 1,500 people doing this challenge worldwide.In this episode:Why pre-bolusing is the most-ignored advice in type 1 diabetesThe real reason we don't do it, and why it isn't disciplineThe one stat that proves you're not the only one (more than 1 in 4 meals gets a late or missed bolus)Why we're building the whole challenge around dinnerThis Week's Challenge: Change nothing. Just notice your blood sugar two hours after dinner. We're taking a "before" picture before we change a thing.Helpful resources and newsletter: https://yourbestt1dyear.com Connect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.com Books on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Eight weeks ago, Neil asked you to do one thing: write down how many hours you slept last night. That was the whole challenge. That was where it started. One number. And here we are.This is the finale of the While You Were Sleeping Challenge -- 24 episodes, 8 weeks, and the most thorough look at sleep and type 1 diabetes that Your Best T1D Year has ever done. Neil closes with the full arc: from mystery blood sugars and 3am wake-ups, to the 21% insulin sensitivity finding, to the dawn phenomenon, the sleep-blood sugar feedback loop, cortisol, Fear of Hypoglycemia, sleep stages, alarm calibration, pre-sleep routines, and the one habit that ties all of it together. Then he makes the case that should change how you think about sleep permanently.Sleep is not a passive rest state for people with type 1 diabetes. It is a metabolic tool. And now you have it.In this episode:The full While You Were Sleeping Challenge recap -- all 8 weeks, all the mechanismsWhy sleep is a metabolic variable, not just a wellness recommendation, for T1D peopleWhat "managing T1D while you sleep" actually means biologicallyThe one thing to carry forward from all 24 episodesWhat's coming next for Your Best T1D YearFinal Challenge: Share one thing you learned in the last eight weeks. Tag @thebetes on Instagram, or tell one person -- someone with T1D, or who loves someone with T1D. One ripple.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Eight weeks. Twenty-four episodes. The dawn phenomenon, cortisol, alarm fatigue, sleep stages, Fear of Hypoglycemia, CGM as a proactive tool. If Neil had to give you one thing to keep from all of it -- just one habit -- here it is: go to bed at the same time every night.This is not a joke, and it's not oversimplified. It's the finding from the 2023 T1D sleep study with 76 participants that Neil has been referencing throughout this challenge. Bedtime consistency was the dominant sleep variable associated with time in range -- not total hours, not sleep efficiency, not how many times you woke up. Consistent bedtime. Every extra hour of bedtime variability was associated with roughly 10% less time in range. And the effect runs both directions: more consistency, better glucose outcomes.We're in Week 8 of the While You Were Sleeping Challenge. Three days from the finish line.In this episode:Why consistent bedtime is the single most impactful sleep habit for T1D time in rangeWhat the 2023 research actually says -- and why it's the clearest finding in the whole challengeWhy your body doesn't know it's Saturday (and what that costs you weekly)The Jerry Seinfeld productivity method applied to your bedtimeHow to pick your time, commit to the 60-minute window, and start the streakThis Week's Challenge: Pick your bedtime. Say it out loud. Write it down. Commit to it through the end of the challenge -- including this weekend.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Perfect is not the goal. This episode takes a stand on something that doesn't get said enough in health content of any kind -- and especially not in T1D content.If you've been measuring your sleep quality against general population benchmarks (the 8-hour standard, the 90% sleep efficiency score, the deeply uninterrupted ideal), Neil is here to tell you, with genuine care, that you've been holding yourself to the wrong ruler. T1D "good enough" sleep is its own category. You're managing a disease overnight. Your liver is running its 3am shift. Your cortisol is cycling. Your CGM is monitoring. Comparing your sleep to non-T1D benchmarks is not a useful exercise. And chasing perfect while managing T1D is a fast road to frustration. Meaningfully better is the goal.This is Week 8 of the While You Were Sleeping Challenge. We're almost at the finish line -- and this episode matters.In this episode:Why comparing T1D sleep to non-T1D population benchmarks doesn't serve youWhat "meaningfully better" looks like for someone managing overnight glucoseThe batting average analogy: what winning looks like when you're playing with T1D physicsHow to define your own version of sleep success -- one that accounts for what you're actually managingWhy "fewer interruptions than last month" counts as a real winThis Week's Challenge: Write one sentence: what would "better" sleep look like for you? Not perfect. Your version. One sentence.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:You've been sleeping next to one of the most detailed health monitoring devices that exists. Every single night. For however many years you've had your CGM. It has been logging everything -- every rise, every drop, every 3am event, every overnight pattern. It has been very patient about all of this.Most T1D people use their CGM reactively at night. The alarm fires, you check, you respond or silence, you go back to sleep. What almost no one does is look at the full overnight graph proactively -- not to respond to a single moment, but to read the shape of the whole night. Your CGM shows you the dawn phenomenon, the post-exercise glucose drop, the cortisol spike, the active insulin tail. It has been a map this whole time. We've been treating it like a fire alarm.This is Week 7 of the While You Were Sleeping Challenge. This is the episode that changes how you use the device you already wear.In this episode:The difference between reactive and proactive overnight CGM useHow to read the shape of an overnight graph -- not just the morning numberWhat the dawn phenomenon, exercise drops, and cortisol spikes look like in your dataWhy your CGM graph is a map, not a report cardHow one minute of overnight data review can improve the next nightThis Week's Challenge: Tonight, look at last night's full overnight CGM graph. The whole shape. Not to judge it. Not to fix it. Just to see what was there.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:"Sleep hygiene" sounds like you're brushing your sleep's teeth. Nobody has ever said that phrase in a natural conversation. And this episode is not about a 12-step pre-sleep protocol that you'll implement on Monday and abandon by Wednesday when life gets in the way.It's about one thing. Just one. Because T1D brains are very good at building complicated systems -- we've been doing it since diagnosis -- and when we hear "build a routine," we design a fourteen-point optimization plan that fails by Wednesday, raises our cortisol, and disrupts our blood sugar. One anchor behavior, repeated consistently, is how habits actually form. You already have a pre-sleep T1D routine. We're extending it by about thirty minutes, in one direction.We're in Week 7 of the While You Were Sleeping Challenge.In this episode:Why multi-step sleep protocols fail and what actually sticks long-termThe three pre-sleep candidate behaviors that research supports for T1D peopleWhy "the one that feels manageable" beats "the one that seems most impactful"How to use your existing T1D bedtime routine as an anchor for one new behaviorWhat five nights of one habit actually tells you about whether it's workingThis Week's Challenge: Pick one of the three pre-sleep behaviors from this episode. Commit to it for five nights. Write down what you notice.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Your Tuesday 8pm HIIT class has opinions about your 3am blood sugar. The data is pretty clear on this. Neil is giving you fair warning before the episode starts.This episode covers the timing of exercise and its downstream effects on both sleep quality and overnight glucose in type 1 diabetes. Afternoon and evening exercise produce very different results -- not because exercise is bad for T1D management (it isn't), but because your core body temperature, cortisol rhythm, and post-exercise glucose patterns interact with your sleep in ways that depend heavily on when you moved. The 8pm workout can raise core temperature, spike cortisol, and set up a 2am glucose drop that fires an alarm -- all without any other mistake being made.We're in Week 7 of the While You Were Sleeping Challenge.In this episode:Why afternoon exercise (roughly noon to 6pm) supports better sleep and overnight glucose stabilityWhat high-intensity evening exercise does to core body temperature and cortisol levelsHow post-exercise glucose drops in T1D can create 2-3am lows and trigger alarmsWhat to look for in your overnight CGM data on workout days vs. rest daysHow even a modest timing shift can meaningfully change the overnight pictureThis Week's Challenge: What time was your last workout? Pull up your overnight CGM from that night. Did anything look different than your non-workout nights?Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:You slept seven hours. By any reasonable measure, that should be enough. You woke up feeling like you slept four. You weren't imagining it.This episode breaks down sleep stages -- light sleep, deep sleep, REM -- and explains exactly where type 1 diabetes disrupts the sequence. The most important stage, slow-wave sleep (NREM Stage 3), is where your body does its deepest repair work: growth hormone release, cellular recovery, immune restocking, brain waste clearance. T1D adults get measurably less of it. Not because of anything you're doing wrong, but because T1D interrupts sleep architecture in ways that are documented in the research and that most T1D people were never told about.This is Week 6 of the While You Were Sleeping Challenge. This is the episode that explains WHY you're tired even when the hours were there.In this episode:The 90-minute sleep cycle and what each stage actually does for your bodyWhy slow-wave sleep is the stage that matters most -- and why T1D adults get less of itHow every alarm, partial arousal, and cortisol spike sends your brain back to Level 1The difference between "not enough hours" and "disrupted sleep stages" -- they feel the same but aren'tHow to check your deep sleep percentage if you have a wearableThis Week's Challenge: If you have a wearable that tracks sleep stages, check last night's deep sleep percentage. The average for most adults is 15-20%. Just know your number.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Your CGM says 115. Flat arrow. No active insulin. You've checked it twice. The number is completely fine. And you're still awake at 2:48am.This is not you being dramatic. This has a name: Fear of Hypoglycemia (FOH). It's a documented, peer-reviewed phenomenon in T1D populations -- a specific pattern of nighttime hypervigilance that persists even when blood sugar is stable. The anxiety is the disruptor, independent of the actual glucose level. And it's one of the most undernamed contributors to T1D sleep disruption.In this episode, Neil explains where Fear of Hypoglycemia comes from, why it makes complete sense that it developed, and why having the name for it changes how you relate to the 2am wake-up. Nobody told most T1D people this name. That's the problem this episode is here to fix.We're in Week 6 of the While You Were Sleeping Challenge.In this episode:What Fear of Hypoglycemia actually is and what peer-reviewed research says about itWhy the overnight hypervigilance response is a rational system with an irrational triggerThe difference between "I'm being irrational" and "I have a documented T1D sleep phenomenon"Why naming FOH changes how you relate to being awake at 2am with a perfect numberWhat comes next: what you can actually do about itThis Week's Challenge: Have you ever been awake at 2am with a completely stable blood sugar and still couldn't sleep? Just acknowledge that it happened. That's the whole challenge.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Cortisol isn't trying to ruin your blood sugar. It's trying to help. It has never once, in your entire life, acted with malice. It is a useful, important hormone that is -- in the modern world -- very confused about what an actual emergency looks like.This episode is about cortisol: what it's designed to do, what it's actually responding to in modern life ("quick question" emails at 10pm), and what it's doing to your blood sugar by midnight. For T1D people, cortisol-driven blood sugar rises don't get quietly compensated by a functioning pancreas. They land. And they land on top of whatever else was already happening overnight. Understanding the cortisol loop is the first step to interrupting it -- starting with the hour before bed.We're in Week 6 of the While You Were Sleeping Challenge. Solutions are building.In this episode:What cortisol is actually designed to do -- and why your lion never shows upHow cortisol raises blood sugar in T1D without the automatic pancreas feedback to catch itThe full cortisol loop: poor sleep raises cortisol, cortisol raises blood sugar, elevated blood sugar disrupts sleepWhy what you do in the hour before bed shows up in your midnight glucoseHow to start rating your pre-bed stress and looking for the pattern in your own dataThis Week's Challenge: Rate your stress level 1-10 before bed, three nights this week. Note your morning blood sugar each time. Look for the pattern.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Neil wants to be upfront: this episode is going to sound like wellness content delivered by someone standing in a field in linen pants. He knows. He can't control how it sounds. What he can tell you is that there's actual research behind all of it, it specifically applies to T1D glucose management, and he read most of it at midnight on his phone in bed with the screen at full brightness.Your sleep environment -- specifically temperature, light, and screen exposure -- directly affects the hormones that regulate both sleep and glucose. For T1D people, those hormones matter more because there's no backup system to compensate when they go sideways. Blue light at 10pm tells your brain it's daytime, suppresses melatonin, and raises cortisol. A warm room keeps your core temperature elevated, making it harder to drop into deep sleep. Both of these things are doing quiet work against your blood sugar while you're trying to rest.We're in Week 5 of the While You Were Sleeping Challenge.In this episode:How blue light from screens suppresses melatonin and triggers cortisol at 10pmWhy your phone screen registers as "daytime" to your brain's sleep-wake systemCore body temperature and its role in reaching deep sleep stagesThe research-backed temperature range for better sleep qualityOne practical environmental change to make tonight that doesn't require buying anythingThis Week's Challenge: Know your bedroom temperature. Tonight, put your phone face down one hour before bed. Not in another room -- just face down. See what happens.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:You already do this. You check your blood sugar before bed, glance at your CGM, maybe set a temp basal. You've been doing it for as long as you've had T1D. Here's the reframe: you've been doing it as a safety check. "Am I okay to go to sleep?" This episode argues it's also a sleep decision -- and that shift changes what you're actually optimizing for.Active insulin at midnight is a sleep variable. A correction dose from 9pm is still tailing off at 1am. That tail can create glucose variability that pulls you out of deep sleep without triggering an alarm -- a partial arousal that costs you sleep quality without you knowing it happened. The more stable your blood sugar heading into sleep, the fewer overnight alarms, the better your sleep architecture, and the better your insulin sensitivity the next morning.Welcome to June. Welcome to Week 5 of the While You Were Sleeping Challenge. This is where we start doing something about it.In this episode:How pre-sleep blood sugar affects sleep quality, not just overnight safetyWhat active insulin at bedtime does to your 1am and 2am sleep stagesThe 30-minutes-before-bed check and why timing makes a differenceHow pre-sleep glucose stability connects directly to tomorrow morning's insulin sensitivityStarting the feedback loop running in the right direction tonightThis Week's Challenge: Check your blood sugar 30 minutes before bed -- not right when you're about to sleep. Note the number and any active insulin on board. Do this three nights and see what the mornings look like.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Four weeks ago, Neil asked you to do one thing: write down how many hours you slept. That was it. Just a number. And now here we are.This is the halftime checkpoint of the While You Were Sleeping Challenge. Neil does what any good coach does at halftime -- pulls everyone in, takes a breath, and goes over what we actually know. Because the first four weeks covered a lot: recognition, the 21% number, the dawn phenomenon, the sleep-blood sugar feedback loop, bedtime consistency, sleep architecture differences in T1D, and CGM alarm fatigue. And the goal today is to actually sit with what changed before we move into solutions.May was all problem and mechanism. June is different. June is where we build.We're in Week 5 of the While You Were Sleeping Challenge. If you're just finding this, jump in right here. You're not behind.In this episode:A full recap of Weeks 1 through 4 and everything established so farWhy problem-naming has to come before solution-buildingWhat the second half of the challenge covers (cortisol, Fear of Hypoglycemia, CGM as a proactive tool, pre-sleep routines)How to look at your own four weeks of data before June beginsWhat "paying attention" for four weeks actually produced, even if the tracking wasn't perfectThis Week's Challenge: What's one thing you noticed in the last four weeks? Not a conclusion. Not a solved problem. One thing you noticed. Write it in one sentence.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:When did you last actually look at your CGM alarm threshold settings? Not to silence an alarm. Not to check a number. To actually look at the thresholds -- the settings, the specific values, when they were last changed.If your answer is "when I first set up the device," this episode is for you.Neil walks through what CGM alarm thresholds are, why they're not permanent features of having T1D, and why the settings you're running right now may be calibrated for a different version of your management than the one you have today. Your diabetes has changed. Your time in range has changed. Your thresholds probably haven't. This is a practical episode -- no heavy science, just a straightforward conversation about settings you can actually look at and, when appropriate, adjust.We're in Week 4 of the While You Were Sleeping Challenge. This is the actionable follow-up to Monday's alarm fatigue episode.In this episode:What CGM alarm thresholds are and how most people originally set themWhy outdated thresholds create unnecessary overnight wake-ups even when management has improvedThe difference between thresholds optimized for daytime control vs. overnight sleepQuiet hours and do-not-disturb settings most CGM users don't know existWhy this conversation is worth having with your care teamThis Week's Challenge: Open your CGM app. Find the alarm threshold settings. Look at the numbers. Do they still match where your management actually is?Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:How many times did your CGM alarm last night? If you have to guess -- or if you're honestly not sure because your arm is doing the silence-and-go-back-to-sleep thing on autopilot -- that's alarm fatigue. And it's a documented, peer-reviewed phenomenon that's costing you sleep in ways that quietly compound every single night.This episode is about the complicated relationship T1D people have with CGM alarms. They're lifesaving. They're also, at times, genuinely maddening. There's a real, measurable difference between alarms that protect you and alarms that interrupt your sleep architecture without adding any safety benefit. Neil talks about how alarm fatigue develops, what it costs your sleep stages, and why the answer isn't to turn everything off -- it's calibration.We're in Week 4 of the While You Were Sleeping Challenge.In this episode:What alarm fatigue is and how it develops in T1D people over timeHow sub-threshold wake-ups disrupt sleep architecture without a full wake-upThe boy-who-cried-wolf problem in CGM management -- and why the wolf is still realWhy calibration (not silence) is the right responseThe peer-reviewed paper with a title that's definitely just a research paper titleThis Week's Challenge: Count how many times your CGM alarmed last night. Don't do anything about it yet. Just get the number.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:200 episodes. Neil didn't plan on this. He definitely didn't plan on spending episode 200 explaining what your liver does at 3am without your permission. And yet here we are.This is the episode that contains the most important thing Neil has said in this entire challenge. Most T1D content talks about sleep in two ways: the safety angle (set your alarms right) or the wellness angle (get enough rest). Neither goes far enough. What the research actually shows is that T1D adults have fundamentally different sleep architecture than adults without T1D -- measurably less slow-wave sleep, higher overnight hormone levels, and a higher arousal index that keeps them closer to the surface all night. You're not bad at sleeping. You've been sleeping with a condition that literally changes how sleep works in your body. And nobody told you.This is Week 4 of the While You Were Sleeping Challenge. 200 episodes in. This one matters.In this episode:The documented differences in T1D sleep architecture vs. non-T1D adultsWhat slow-wave sleep is and why T1D people get measurably less of itWhat "arousal index" means and why it explains waking up tired after 7 hoursWhy endocrinologists and sleep doctors don't talk to each other (but should)Why episode 200 was the right moment to say this out loudThis Week's Challenge: Tell one person about this challenge. Someone with T1D, or who loves someone with T1D. One ripple.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:You've been told to get eight hours. Here's what the research actually found.A 2023 study of 76 adults with type 1 diabetes tracked both CGM and sleep data for one week. The finding: sleep duration alone was not independently associated with time in range. What was? Bedtime consistency. Every extra hour of variability in bedtime was associated with roughly 10% less time in range. Your CGM noticed. It was taking notes.This episode reframes the sleep conversation for T1D: it's not just about how much you sleep. It's about when. Your body doesn't know it's Saturday. Your cortisol doesn't know it's Saturday. Only your social calendar knows it's Saturday -- and your social calendar is not in charge of your A1C.We're in Week 3 of the While You Were Sleeping Challenge.In this episode:The 2023 T1D sleep study and what it actually measuredWhy six people who each got 7 hours got six different resultsWhat bedtime consistency means practically -- and why it matters more than total hoursWhy weekend sleep timing is where this breaks down for most peopleThe 60-minute window and why it worksThis Week's Challenge: Try to go to bed within a 60-minute window of the same time, three nights this week. Not all seven. Just three.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Bad sleep makes your blood sugar harder to manage. Worse blood sugar disrupts your sleep. Worse sleep makes your blood sugar worse. You've been running a feedback loop -- without knowing it.This is the episode where things click. Neil connects all the pieces from Weeks 1 and 2 into the full picture: the bidirectional relationship between sleep and glucose management in type 1 diabetes. High blood sugar increases overnight bathroom trips. Low blood sugar fires the alarm. Glucose variability through the night disrupts sleep architecture even without a full wake-up. And the worse you sleep, the more your insulin sensitivity drops the next day. The loop is real. And here's what nobody usually says: you can interrupt it from either side.We're in Week 3 of the While You Were Sleeping Challenge.In this episode:The full sleep-blood sugar feedback loop in T1D, explained end to endWhy both high and low blood sugar disrupt sleep in different waysHow glucose variability affects sleep stages even without a full wake-upWhy you don't have to fix both sides of the loop at onceHow to pick one end of the rope and start pullingThis Week's Challenge: Pick one small thing to try before bed. Just one. An early blood sugar check, consistent bedtime two nights in a row, screens down an hour before sleep. Write down what happened in the morning.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:You went to bed at a perfect 110. No active insulin. Flat arrow. You did everything right. You wake up at 182. Nothing happened -- no low, no alarm. You just slept. Except something did happen. You just weren't awake for it.This episode introduces the dawn phenomenon: the pre-dawn hormonal surge (cortisol, growth hormone, glucagon, epinephrine) that causes your liver to manufacture and release glucose into your bloodstream between roughly 3am and 8am, every single night, without your permission. For people without T1D, the pancreas handles this automatically and they never know it happened. For T1D people, the glucose just lands -- and then we stand in the kitchen at 6am holding an insulin vial up to the light, wondering what on earth went wrong.This is Week 3 of the While You Were Sleeping Challenge. We're getting into actual mechanisms.In this episode:What the dawn phenomenon actually is and what triggers itHepatic glucose output explained in plain English (and why it sounds like a Jurassic Park sequel)Why non-T1D people never notice this happening overnightWhat 34 years of blaming the insulin vial actually looked likeHow to start spotting the dawn phenomenon in your own overnight CGM dataThis Week's Challenge: Pull up your overnight CGM graph from last night. Do you see a gradual rise starting around 3 or 4am when your blood sugar was otherwise flat? Just look. Don't change anything yet.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

SHOW NOTES:Sleep deprivation reduces insulin sensitivity in everyone. That's not a T1D-specific finding. Here's what is.In people without diabetes, the system has a feedback loop. Insulin sensitivity drops, blood sugar ticks up slightly, the pancreas compensates automatically, and the whole thing resolves before they're even awake. They make coffee, go about their day, and have no idea any of it happened. For T1D people, that feedback loop doesn't exist. The penalty just lands.This episode explains why the same sleep deprivation hits harder when you don't have a functioning pancreas to compensate -- and why T1D people have been quietly doing the backup system's job manually every single morning, often without realizing that's what they were doing.We're in Week 2 of the While You Were Sleeping Challenge.In this episode:How a healthy pancreas automatically compensates for sleep-related insulin sensitivity changesWhy the T1D body absorbs the full 21% impact without automatic correctionWhat "doing the backup system's job manually" actually looks like before the first cup of coffeeThe emotional reality of running on interrupted sleep while managing blood sugarWhat to add to your data tracking this weekThis Week's Challenge: On mornings after rough nights, notice if you had to work harder -- more corrections, more frustration, numbers that were less predictable. That's the 21% showing up in real life.Helpful resources and newsletter: https://yourbestt1dyear.comConnect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.comBooks on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1