Sleep Calculator
Go to bed at (5 cycles, 7.5 h sleep)
10:45 PM
- 6 cycles (9 h sleep)
- 9:15 PM
- 4 cycles (6 h sleep)
- 12:15 AM
- Time to fall asleep included
- 15 min
Most adults need 7 to 9 hours of sleep a night.
Bedtimes4 rows
| Cycles | Sleep | Go to bed |
|---|---|---|
| 6 | 9 h | 9:15 PM |
| 5 | 7.5 h | 10:45 PM |
| 4 | 6 h | 12:15 AM |
| 3 | 4.5 h | 1:45 AM |