Sleep Cycle Alarm Clock (Version 5.5.4)

Sleep Cycle Alarm Clock (Version 5.5.4) -Synopsis of the App: Sleep Cycle Alarm Clock analyzes your sleep and gently wakes you in the lightest sleep phase.

Price and Platform: Free. Apple and Android.

RDN Score: 4/5


  • Dark mode throughout the app puts the user in sleep mode.
  • Uses the phone’s built-in microphone or accelerometer to analyze movement.
  • Tap twice or pick up the phone to snooze the alarm.
  • Wake up gently in a window versus one set time.
  • Decide to wake to a vibration or choose from a variety of soothing sounds including warm breeze and sunrise.
  • Enable intelligent snooze to snooze until the end of your wake up phase.
  • View and track sleep graphs and analyses starting after the first night of sleep.
  • Sleep times and duration and graphs include data on wake times, as well as, when you enter deep sleep.
  • Alter and set weekend wake times.
  • Premium members gain access to additional sounds, charts, snore data and sleep quality inputs like daily steps, heart rate, working out, tea drinking, weather, and moon data.
  • App syncs with the Runkeeper app.


  • Must keep the phone in or near the bed for the analysis to work.
  • Allowing access to your phone’s microphone may bring up privacy concerns. However, though the app makers promise not to share sound data and offer an alternative method to analyze sleep.
  • 1 month free, then $29.99/year.

Bottom Line: Sleep Cycle Alarm Clock turns your phone into a sleep-analyzing tool. It’s ideal for anyone who wants to learn more about and improve their sleep quality.

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Marisa Moore
Marisa Moore, MBA, RDN, LD, is based in Atlanta and specializes in culinary nutrition, communications and consulting. She blogs at Follow her on Instagram and Twitter.