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The Human Upgrade: Biohacking for Longevity & Performance
The Human Upgrade: Biohacking for Longevity & Performance

Does This Sleep Fasting Hack Actually Cut Cortisol? : 1508

Jul 26, 2026 · 00:10:21
AI Summary
  • Dave Asprey reveals a hidden biological process affecting sleep.
  • Explains why cortisol remains elevated during sleep.
  • Discusses switching the body from stress to recovery mode at night.

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