REM Sleep Cycle Calculator

Optimize your sleep schedule for better rest and energy

Sleep Schedule

Sleep Cycle Waves
4h 9 hours 12h

Optimal Wake-Up Times

Times are based on 90-minute sleep cycles

Sleep Cycle Breakdown

REM Sleep
Dreams, memory consolidation (20-25%)
Light Sleep
Easy to wake up, transition phase (45-55%)
Deep Sleep
Physical recovery, hard to wake (15-20%)

Sleep Statistics

Total Cycles
6
Sleep Efficiency
92%
REM Time
2.2h
Deep Sleep
1.8h

Sleep Optimization Tips

Temperature

Keep bedroom cool (60-67°F) for optimal sleep quality

Darkness

Use blackout curtains or eye mask to block light

No Screens

Avoid screens 1 hour before bedtime

Consistency

Go to bed and wake up at the same time daily