Sleep Cycle

Sleep Cycle

An intelligent alarm that tracks your sleep cycles throughout the night to gently wake you up when your sleep is at its lightest. 

Get the iOS app / Get the Android app

Using your phone's microphone and accelerometer, Sleep Cycle tracks your sleep patterns, providing detailed graphs of your sleep activity every night. Ongoing use can help you to identify trends over time. 

Please note that we cannot be held responsible for the security of data that you share outside of this website.

sleep cycle



  • Free
  • You get detailed feedback on your sleep patterns
  • Works offline


  • £24.99/year for premium
  • No built-in reminder to set the app each night
  • Sleep-tracking can be inaccurate
  • Your phone must be charging while in use

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