Sleep Calculator
Go to bed at one of these times
- 9:45 PM6 cycles · 9h sleep
- 11:15 PM5 cycles · 7.5h sleep
- 12:45 AM4 cycles · 6h sleep
- 2:15 AM3 cycles · 4.5h sleep
Assumes 15 minutes to fall asleep and 90-minute sleep cycles. Waking between cycles usually feels easier.
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