Recommend optimal wake and sleep schedules.
Enter your values into the input fields and the calculator will compute the result automatically and display it below.
Yes, results are based on standard formulas. They are estimates only and should be verified with a qualified professional for official purposes.
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Estimate optimal times to fall asleep or wake up. Uses 90-minute REM sleep cycles and adds a 14-minute average offset to fall asleep.
If you go to bed at 22:00, you should aim to wake up at one of the following times (highlighted times denote 5 or 6 sleep cycles, which is optimal):
23:44
1 Cycle (1.5h sleep)01:14
2 Cycles (3h sleep)02:44
3 Cycles (4.5h sleep)04:14
4 Cycles (6h sleep)05:44
5 Cycles (7.5h sleep)07:14
6 Cycles (9h sleep)