Sleep Calculator
Calculate optimal wake-up times based on 90-minute sleep cycles to wake feeling refreshed and energized.
Sleep Cycle Calculator
Find your perfect bedtime & wake-up time
How It Works
A good night's sleep consists of 5-6 complete sleep cycles, which are about 90 minutes long. This calculator also accounts for the average 14 minutes it takes to fall asleep.
Disclaimer
This calculator is a tool to provide estimates based on sleep cycle averages. Individual sleep needs can vary. It is not a substitute for professional medical advice.
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