Tool
Sleep Cycle Calculator
Estimate how many 90-minute cycles fit between bedtime and wake-up time.
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
Bedtime: 22:45
Wake-up time: 06:30
Use your likely sleep time, not just when you get into bed.
Set the time you actually need to be up.
Live result
Estimated cycles
5 cycles
Based on the current inputs. Change any field above and this section updates instantly.
About 465 minutes separates the times entered, which works out to roughly 5 full cycles after a small buffer.
- Ideal when the user already knows bedtime and wake-up time.
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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