Sleep Calculator
The Sleep Calculator helps determine ideal bedtimes and wake-up times based on natural sleep cycles. Improve sleep quality and wake up feeling more refreshed.
3 cycles (4.5h)4 cycles (6h)5 cycles (7.5h)6 cycles (9h)
Note: Each sleep cycle lasts approximately 90 minutes. Waking up at the end of a cycle helps you feel more refreshed. Allow 15 minutes to fall asleep.