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Find the times to wake or turn in that land between 90-minute sleep cycles, so you wake up clear-headed.
Your options
Asleep by 00:10 (15 minutes to drop off included)
04:55
4.5 h
06:25
6 h
07:55
7.5 h
09:25
9 h
Fill in the times and press Run —
Results will collect here.
Includes the 15 minutes it typically takes to fall asleep.
Sleep repeats in cycles of about 90 minutes, light to deep and back again. Waking at the light end of one feels best.