Use Sleep Calculator to find the best time to go to bed or wake up based on 90-minute sleep cycles. Calculate REM sleep, ideal sleep time, and wake up refreshed.
Cost / License
- Free
- Proprietary
Platforms
- Online

Sleep Cycle Alarm Clock is described as 'Monitors sleep patterns using phone sensors and wakes you at the lightest phase within a set window for a gentle, natural wake-up with detailed sleep analysis' and is a Alarm Clock in the sport & health category. There are more than 25 alternatives to Sleep Cycle Alarm Clock for a variety of platforms, including iPhone, Android, iPad, Web-based and Apple Watch apps. The best Sleep Cycle Alarm Clock alternative is Sleep as Android, which is free. Other great apps like Sleep Cycle Alarm Clock are SleepAI.com, ShutEye, Pokémon Sleep and SleepRecovery.
Use Sleep Calculator to find the best time to go to bed or wake up based on 90-minute sleep cycles. Calculate REM sleep, ideal sleep time, and wake up refreshed.

Sleep in 90 minute cycles and wake up between REM phases feeling refreshed and full of energy. And then have a productive day!.




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SleepMaster is a sleep monitoring and wake up alarm clock application. SleepMaster records your movements during your sleep cycles and wakes you up in the lightest sleep phase. With the help of built in accelerometer SleepMaster can detect very gentle movements without false...



