The average person takes about 14 minutes to fall asleep. We've included this in our calculations.
Sleep Cycle Calculator
Sleep Cycle Calculator
Wellness & Health Check
Optimize your sleep by waking up between 90-minute sleep cycles. Feel fresh and energized instead of groggy.
System Generated Results
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Why Sleep Cycles?
If you wake up in the middle of a sleep cycle, you feel groggy and tired. However, waking up at the end of a cycle makes you feel refreshed and alert.
Deep Sleep
Waking up during deep sleep (stage 3/4) results in sleep inertia, which can last for up to an hour.
REM Sleep
Most people have about 5-6 sleep cycles per night. This tool helps you target the end of these cycles.