Sleep Cycle Calculator

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Results

Bedtime Hours Cycles

Recommended Bedtimes

10:30 PM 7.5 hours 5 sleep cycles
09:00 PM 9 hours 6 sleep cycles
Other Options
07:30 PM 10.5 hours 7 sleep cycles
12:00 AM 6 hours 4 sleep cycles
01:30 AM 4.5 hours 3 sleep cycles
03:00 AM 3 hours 2 sleep cycles
04:30 AM 1.5 hours 1 sleep cycles

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