📝 Episode Summary
Sleep scientist Matt Walker reveals irregular sleep increases death risk by 49%.
🎯 Top Takeaways
- You cannot sleep back what you've lost—sleep debt has permanent cognitive consequences
- Sleep is the single most effective thing you can do to reset your brain and body health each day
- Regularity is king: consistent sleep and wake times matter more than sleep duration
- Deep sleep cleanses the brain of toxic proteins linked to Alzheimer's through the glymphatic system
- REM sleep is when emotional memories are processed—without it, you can't regulate your emotions effectively