Sleep Cycle Calculator
About Sleep Cycle Calculator
Find bedtime options from a target wake time.
How to Use
Find bedtime options from a target wake time. Enter the Wake time, Cycle minutes, and Fall asleep minutes values and review the Six cycles bedtime, Five cycles bedtime, and Four cycles bedtime outputs after you calculate.
- Open the calculator : Use Sleep Cycle Calculator from the Health category.
- Check the inputs : Review the required values and any optional settings.
- Read the formula : Use the formula and notes below to understand how the result is produced.
Common Questions
What does the Sleep Cycle Calculator estimate?
It estimates bedtime or wake-up times based on sleep-cycle timing.
What can change the result?
The sleep-cycle timing and wake window you choose can change the estimate.
Inputs
- Wake time
- Cycle minutes
- Fall asleep minutes
Outputs
- Six cycles bedtime
- Five cycles bedtime
- Four cycles bedtime
Formula
bedtime = wake time - sleep cycles - fall asleep time