Sleep Calculator
Calculate optimal sleep times based on 90-minute sleep cycles
Sleep Planner
Best Bedtimes
12:45
6 cycles, 9.0h
14:15
5 cycles, 7.5h
15:45
4 cycles, 6.0h
17:15
3 cycles, 4.5h
Includes 15 min to fall asleep
Calculate optimal sleep times based on 90-minute sleep cycles
12:45
6 cycles, 9.0h
14:15
5 cycles, 7.5h
15:45
4 cycles, 6.0h
17:15
3 cycles, 4.5h
Includes 15 min to fall asleep