Sleep Calculator
Optimize your sleep schedule with scientific calculations
Wake Up Time
Bedtime
Duration
Nap Time
Bedtime
Sleep Cycles (90min)
3 cycles
4 cycles
5 cycles
6 cycles
7 cycles
8 cycles
Calculate
Wake Up Time
Fall Asleep Time
15 minutes
30 minutes
Calculate
Bedtime
Wake Up Time
Calculate
Current Time
Nap Duration
20 minutes
90 minutes
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Sleep Science Facts
Adults need 7-9 hours of sleep daily
90-minute sleep cycles help optimize rest
Blue light exposure disrupts melatonin
Ideal bedroom temperature: 60-67°F
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