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

SleepMaster is described as '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' and is an app in the sport & health category. There are more than 10 alternatives to SleepMaster for a variety of platforms, including iPhone, Android, iPad, Web-based and Android Tablet apps. The best SleepMaster alternative is Pokémon Sleep, which is free. Other great apps like SleepMaster are Sleep Cycle Alarm Clock, SleepRecovery, SleepCast: Wireless Music Alarm Clock and Sleep Calculator.
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.

Get detailed monitoring and analysis along with science-backed advice to help you improve your sleep with SleepScore™. Using just your smartphone microphone and speaker capabilities to track and measure your breathing rate and body movement, SleepScore provides insight into your...


