EPISODE · Aug 10, 2026 · 17 MIN
Why Your Calf Cramps Up in the Middle of the Night and What To Do About It
from The Habit Healers · host Laurie Marbas, MD, MBA
If you get leg cramps at night, you have probably been told to take magnesium and drink more water. I want to show you what the research actually says, because the real cause of nocturnal leg cramps is not a deficiency. It is the position your foot sits in for seven hours.In this episode I walk through what is happening inside your calf during a cramp, why the nerve firing has no off switch while you sleep, and why the placebo groups in the magnesium trials improved almost as much as the treatment groups. I also cover the one remedy with a surprisingly clear mechanism behind it, pickle brine, and why it works without changing a single thing in your bloodstream. Then I give you the full night cramp protocol: the bedtime calf stretch that actually got results in a supervised trial, how to change the geometry of your bed for free, what to do in the moment a cramp hits, and the medication question worth bringing to your next appointment.What you’ll learn:* Why nighttime calf cramps are a nerve signal problem, not a mineral problem* What the placebo-controlled magnesium trials really found for leg cramps in older adults* The bedtime calf stretch technique that separated the two stretching trials* Why loosening your covers may matter more than any supplement* How to stop a charley horse faster using two pathways at once* Why you should skip tonic water and quinine for leg crampsDr. Marbas Substack Article: https://drlauriemarbas.substack.com/p/why-your-calf-cramps-up-in-the-middleCheck out the Habit Healers Community: https://www.skool.com/habithealers/about Get full access to The Habit Healers at drlauriemarbas.substack.com/subscribe
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Why Your Calf Cramps Up in the Middle of the Night and What To Do About It
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