| Bedtime for 4 cycles (6 h) | 12:45 AM |
|---|---|
| Bedtime for 3 cycles (4.5 h) | 2:15 AM |
Bedtime = wake-up time − 15 min to fall asleep − cycles × 90 min. Six hours or less is not enough sleep for most adults on a regular basis.
Sleep Calculator · free calculator by CalcWorthy