Sleep Cycle Calculator
Calculate optimal wake-up and bedtimes based on sleep cycles. Find the best times to wake up feeling refreshed.
Wake-Up Time
Advanced Settings
How to Use
Enter Time
Enter wake-up or bedtime
Calculate
Optimal bed/wake times are calculated
Check Times
Check recommended times
Features
90-Min Cycles
Based on 90-minute sleep cycles
Multiple Options
Show candidate times for 4-6 cycles
Fall-asleep Time
Accounts for ~15 minutes to fall asleep
FAQ
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