Best bedtimes
These are the ideal times to fall asleep before your chosen wake-up time.
Sleep better, wake sharper
Sleep Cycle Calculator
Choose a wake-up time to see the best bedtimes, or choose a bedtime to see the best wake-up times. Results are based on 90-minute sleep cycles.
Calculate your best sleep time
Best sleep onset allowance
15 minutes to fall asleep
Best wake-up times
These are the ideal times to wake up if you fall asleep at your chosen bedtime.