sleepcycle.com
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Sleep Cycle is a sleep-tracking and smart alarm app that analyzes your sleep patterns using your phone (or paired Apple Watch) to wake you in a light sleep phase. Available on iOS and Android, it provides nightly reports, snore detection, and an optional premium subscription for advanced features.
Key features
How it works
How Sleep Cycle works
Sleep Cycle uses your smartphone's accelerometer and microphone (or a paired Apple Watch) to detect movement and sounds while you sleep. The app builds a simple hypnogram and identifies light versus deep sleep phases. During the configured alarm window it chooses a moment of light sleep to wake you gently, aiming for a less groggy start to the day. Placement guidance improves accuracy.
Features and compatibility
The free app offers basic sleep tracking and a smart alarm; Premium adds detailed statistics, heart-rate trends (when available), sleep aid sounds, and data export. Sleep Cycle is available for iOS and Android and can share data with Apple Health. Setup is quick: install the app, choose monitoring method, and enable the alarm window to begin nightly tracking.
Privacy, subscriptions & support
Sleep Cycle stores sleep data locally on your device and provides options to back up or export. Premium is a monthly or annual in‑app subscription with a free trial on most platforms; cancellations are handled through the App Store or Google Play. For refund requests or troubleshooting, consult Sleep Cycle's support pages or contact customer service via the app or website.
Product types
Verdict
What we like
- Gentle, intelligent wake-up that reduces morning grogginess
- Clear nightly graphs and long-term trend analysis
- Works across iOS and Android and integrates with Apple Health
- Free tier available with optional premium features
Worth knowing
- Accuracy depends on phone placement and bedroom environment
- Advanced features require a paid subscription
- No dedicated physical device sold by Sleep Cycle
