Enter your desired wake-up time to find ideal bedtimes

Rec: 7-9 hours

Ideal Bedtimes

Based on 90-minute sleep cycles with 15 minutes to fall asleep

9:45 PM

Recommended
6 sleep cycles9h of sleep

11:15 PM

Recommended
5 sleep cycles7h 30m of sleep

Tip: Waking at the end of a complete sleep cycle helps you feel more refreshed. Each cycle lasts about 90 minutes and includes light sleep, deep sleep, and REM stages.
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