Sleep Calculator
Get recommended bedtimes based on sleep cycles (90 min) and time to fall asleep.
Recommended bedtimes:
21:45 (6 cycles)
23:15 (5 cycles)
00:45 (4 cycles)
Result21:45 (best option)
Example: wake at 07:00 → try 22:45 or 00:15
Formula
Bedtime = Wake time − (90 min × cycles) − 15 min