REM Sleep vs Deep Sleep
Deep sleep and REM do different jobs. Cutting either one repeatedly hurts next-day function.
Key Takeaways
- Deep sleep supports physical repair and immune function.
- REM supports memory integration and emotional regulation.
- Balanced full-night structure protects both stages.
Action Steps
- +Avoid consistently short nights.
- +Protect late-night sleep where REM expands.
- +Limit alcohol close to bedtime.
- +Use repeatable sleep and wake windows.
Apply This To Your Schedule
Use the calculator to turn these principles into exact bedtime and wake-up options.
Set Better Bedtime Timing