The Human Upgrade: Biohacking for Longevity & Performance Your Brain Has A Sleep Switch (Do THIS To Turn It On) : 1380
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Dec 14, 2025 Discover the brain's hidden switch that controls deep sleep and how it's often turned off. Learn about the surprising impacts of posture and meal timing on your sleep quality. Find out how gravity contributes to restless nights and the corrections you can make for better rest. Dive into the crucial 3-hour rule for food, and understand how light exposure affects melatonin production. With practical tips like using TrueDark glasses and optimizing your bedroom environment, you'll be equipped to enhance your sleep and wake up revitalized!
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Deep Sleep Requires A Safe Nervous System
- Deep sleep requires your nervous system to feel safe, or your brain will stay half-awake.
- Physical micro-stresses (often unconscious) prevent deep restorative sleep even when you feel mentally relaxed.
Dave's Multi-Year Sleep Fix Journey
- Dave Asprey spent years and millions solving his sleep issues and now sleeps 6.5 hours with abundant deep sleep.
- He claims 90 minutes deep and 90 minutes REM per night after finding the 'sleep switch'.
Fix Nighttime Posture To Reduce Micro-Arousals
- Align your spine and neutralize posture so gravity helps instead of stressing you at night.
- Use proper pillows, knee support for side sleeping, or a small pillow under knees when on your back.