Sleep

Rest. Recover. Repeat.

I need to wake up at

Time to fall asleep (min)

Optimal bedtimes

21:15

6 cycles / 9h

Recommended

22:45

5 cycles / 7.5h

Recommended

00:15

4 cycles / 6h

01:45

3 cycles / 4.5h

Sleep cycles last ~90 minutes. Waking between cycles leaves you feeling refreshed. 5-6 cycles (7.5-9h) is ideal for most adults.