Health & Body SleepHeart HealthLongevity

No.1 Sleep Expert: Magnesium Isn't Helping You Sleep!

Guest: Matt Walker • 2025-11-17 • 3.8M views

UC Berkeley professor, author of Why We Sleep

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📝 Episode Summary

Sleep scientist Matt Walker reveals irregular sleep increases death risk by 49%.

🎯 Top Takeaways

  1. You cannot sleep back what you've lost—sleep debt has permanent cognitive consequences
  2. Sleep is the single most effective thing you can do to reset your brain and body health each day
  3. Regularity is king: consistent sleep and wake times matter more than sleep duration
  4. Deep sleep cleanses the brain of toxic proteins linked to Alzheimer's through the glymphatic system
  5. REM sleep is when emotional memories are processed—without it, you can't regulate your emotions effectively

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