The pickLink checked Oct 9
Sleep Calculator
sleepcalculator.comBedtimes and wake-up times that fit your sleep cycles
FreeNo signup
Why it's the pick
Enter when you need to get up and it suggests bedtimes that let you finish whole sleep cycles (about 90 minutes each, plus 15 minutes to fall asleep), so you're less likely to wake up mid-cycle and groggy. Cycle length is an average, so treat the times as a starting point rather than a rule.
Know a better one? Tell us Made Sleep Calculator? Get the badgeAlso good
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