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World’s No. 1Sleep App

Sleep Cycle iPhone app showing the Sleep Score, Duration and Streak screens

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Duration.
Quality.
Routine.

The three pillars research links to long-term sleep health.

Sleep Cycle app showing Sleep Score
  • Routines are the strongest predictor of health, more than duration.

  • Quality shows how restorative your sleep actually was.

  • Duration provides the window for the body's and brain's nightly repair.

“This app helped me find a rhythm that actually works for me”

iOS User - 02.09.2025