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REM Sleep Cycle & Bedtime Alarm Clock

Calculate optimal bedtime and wake-up alarm times based on 90-minute REM sleep cycles.

Sleep Settings
Include 14-min average sleep onset latency
Optimal Bedtimes
Based on 90-minute sleep cycles
09:46 PM
6 cycles (9 hrs)
11:16 PM
5 cycles (7.5 hrs)
12:46 AM
4 cycles (6 hrs)
REM Sleep Cycle & Bedtime Alarm Clock | Toolzium - Toolzium