#501 Sleep, Circadian Rhythm & What Actually Works (Q&A w...

What this episode covers

Dr. Greg Potter has a PhD from the University of Leeds in sleep, nutrition, and metabolism. Check out Bon Charge wellness products (Code SIIM for 15% discount): https://boncharge.com/siimlandTimestamps:00:00 Intro00:45 Catchup02:05 Are circadian rhythms nature or nurture09:55 What’s ideal timing of sunlight exposure for circadian anchoring15:25 Bon Charge sponsorship 20:30 Does creatine increase DHEA or DHT levels25:50 Does creatine reduce sleep quality33:25 Greg’s new podcast36:15 Is more REM sleep better42:05 How to optimize REM sleep44:25 What % of different sleep cycles should we get (light, deep, REM)46:10 Is food processing good or bad52:45 Incline bed therapy55:20 Is it bad to use sleep herbs58:45 Does melatonin supplementation stop natural production01:01:15 What to do if you wake up at night and can’t fall back asleepGreg Potter YouTube Channel: https://www.youtube.com/@gregpotterphd

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How long is this episode of Siim Land Podcast?

This episode is 1 hour and 2 minutes long.

When was this Siim Land Podcast episode published?

This episode was published on April 17, 2026.

What is this episode about?

Dr. Greg Potter has a PhD from the University of Leeds in sleep, nutrition, and metabolism. Check out Bon Charge wellness products (Code SIIM for 15% discount): https://boncharge.com/siimlandTimestamps:00:00 Intro00:45 Catchup02:05 Are circadian...

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