β€οΈ Health & Fitness
Sleep Cycle Calculator
Suggested bedtimes based on 90-minute sleep cycles before a wake time.
Results
- Best bedtimes
- 21:45 (6 cycles β 9h)
- Option 2
- 23:15 (5 cycles β 7.5h)
- Option 3
- 00:45 (4 cycles β 6h)
- Option 4
- 02:15 (3 cycles β 4.5h)
Formula / how it works
Assumes ~15 minutes to fall asleep and 90-minute cycles.
Disclaimer: Results are estimates for educational purposes and are not a substitute for professional financial, medical, legal, or tax advice. Read more
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