Sleep Time
Estimates the best bed or wake up time to feel rested.
Sleep Time launched on December 9, 2023. The site was still online in September 2026, 2 years on.
What it does
Sleep Time uses a 90-minute cycle to help users set their alarm to a time that will help them wake up rested and refreshed. The tool can estimate the ideal bed or wake-up time using a fine-tuned formula.
Find out the ideal time to go to bed or wake up, so you can feel fully rested and refreshed.
If you need to wake up at a certain time in the morning, you can use our bed-time calculator to find the most optimal bedtimes. Aim for a consistent bedtime and 7-9 hours of sleep each night to wake up each morning feeling energized. If you have a big day ahead tomorrow and need to be in top shape, use our wake-up time calculator to find the most optimal wake-up times. The recommended wake-up times are in 90-minute cycles, so try to get as many asfrom sleeptime.info
Does a similar job
all alternatives →
Sleep Better2017 · play.google.com · ▲105Track sleep cycles, monitor dreams & improve bedtime habits
Best Time For BedMay 2026 · besttimeforbed.com · ▲2Find your perfect bedtime based on 90-minute sleep cycles
Sleep Calculator UKAug 2026 · sleepcalculator.org.uk · ▲1Calculate your ideal sleep and wake times — no signup.
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