Tool
Sleep Calculator
Find better bedtimes and wake-up times around natural sleep cycles.
Interactive calculator
Adjust the timing and watch the recommendation update live.
Choose a sensible default, nudge the values, and the result updates immediately.
Live updates
Wake-up time: 06:30
Time to fall asleep: 15
Target sleep cycles: 5
Set the time you actually need to be up.
Most people land somewhere between 10 and 30 minutes.
Five cycles is a common target, but not the only one.
Live result
Suggested bedtime
10:45 pm
Based on the current inputs. Change any field above and this section updates instantly.
That puts you on about 5 cycles before your wake-up time, with a 15-minute fall-asleep buffer.
- Best for a stable sleep routine and morning consistency.
Change any field or tap a preset chip to test a different scenario.
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Disclaimer
Recovery Timing provides general educational timing guidance only. It does not diagnose, treat, or replace professional medical advice.
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