Wake Up Calculator
Find the best time to wake up based on your bedtime and 90-minute sleep cycles.
4 cycles (6.0h)
5:15 AM
5 cycles (7.5h)
6:45 AM
6 cycles (9.0h)
8:15 AM
How Wake Times Are Calculated
Each wake time is calculated by adding 90 minutes per sleep cycle plus 15 minutes to account for falling asleep. Waking at cycle boundaries leaves you most refreshed.
Frequently Asked Questions
Wake Up Calculator Guide
This calculator adds 90-minute sleep cycles to your bedtime to find optimal wake times. The extra 15 minutes per cycle accounts for the time it takes to fall asleep. Wake at the end of a cycle to feel your best.