sleepytime
Available on Google Play
4.0(77)
50,000+ installsFreeHealth & Fitness
Updated Jul 9, 2026 · v0.49.0
A bedtime calculator that uses sleep cycles to improve your sleep.
The official sleepytime app, helping you wake up refreshed for over 10 years. Sleepytime is an intuitive sleep improvement app that suggests ideal bedtimes and wake-up times based on your desired sleep length and sleep cycles. Using sleepytime, you can improve your sleep quality and feel more rested throughout the day.
1 year on Google Play
This app isn't currently appearing in any tracked top charts.
Rating breakdown
5★
46
4★
7
3★
7
2★
7
1★
7