Sleep Cycle screenshots (7)
Description Sleep Cycle
Waking up feeling groggy and disoriented is a terrible way to start your day. Most alarm clocks rip you out of deep sleep, leaving you sluggish for hours. Sleep Cycle solves this by tracking your sleep stages using your smartphone's built-in microphone and waking you during your lightest sleep phase, ensuring you rise refreshed and naturally alert.
This intelligent sleep tracker requires no wearable devices or special equipment. Simply place your phone on your nightstand, and the app's advanced audio analysis monitors your breathing patterns and movements throughout the night. It distinguishes between light, deep, and REM sleep cycles with remarkable accuracy. The app doesn't just wake you up—it wakes you up at the optimal moment within a 30-minute window you set, preventing that jarring mid-cycle alarm shock.
Core Functionality and Capabilities
The setup process is straightforward and intuitive. After installation, you specify your desired wake-up time and select which days the alarm should activate. Sleep Cycle then automatically manages your wake-up schedule, gradually increasing alarm intensity during your lightest sleep phase near your target time. You can choose from a variety of alarm sounds, though the most premium tones require a subscription. Before sleeping, you simply swipe to start tracking, and in the morning, the same swipe gesture silences the alarm.
- Advanced Sleep Stage Detection: Uses microphone-based analysis to differentiate between light sleep, deep sleep, REM, and wake periods based on your breathing sounds and bodily movements.
- Comprehensive Nightly Activity Logging: Records every time you wake up, toss and turn, snore, or shift positions, providing a complete picture of your sleep quality.
- Intelligent Smart Alarm: Wakes you during your lightest sleep phase within a 30-minute window around your set time, preventing grogginess and morning fatigue.
- Snooze by Shaking: Simply shake your phone to activate the snooze function, which then uses progressively shorter intervals to ease you into wakefulness.
- Personalized Sleep Insights: Analyzes your sleep data over time, identifying patterns and trends that help you understand what factors affect your sleep quality.
Premium Turbo Upgrade Benefits
The Turbo subscription unlocks a suite of advanced features that transform the app into a comprehensive sleep laboratory. You gain access to an extensive library of relaxing sounds and guided meditations designed to help you fall asleep faster and stay asleep longer. Detailed sleep trend analysis provides weekly, monthly, and yearly reports. You also get cloud backup for your sleep history, unlimited alarm sounds, and the ability to share your sleep data with healthcare professionals. The best part? Zero advertisements interrupt your experience.
How to Maximize Your Sleep Quality
The app's value extends beyond just waking you up. It actively helps you improve your sleep hygiene. By tracking your nightly activity, you can identify correlations between your daytime habits (caffeine intake, exercise, screen time) and your sleep quality. The snore detection feature can alert you to potential sleep apnea issues. You can set wind-down reminders and gradually decrease room brightness before bed. The app even integrates with Apple Health and Google Fit to provide a holistic view of your wellness.
Download Mobile App Now
Stop fighting your alarm clock and start waking up naturally. Take control of your sleep quality today. Get Sleep Cycle now and experience the difference between waking up and waking up refreshed. Don't settle for mornings that leave you tired—download immediately and transform your nights.
Technical Disclaimer: This app requires an active internet connection for some features and cloud backup. Premium subscription (Turbo) is available via in-app purchase. Age restrictions may apply (recommended for ages 4+). The app uses your device's microphone for sleep analysis; data usage may apply for cloud features. Continuous use of GPS or audio processing in the background can dramatically decrease battery life. The app is not a medical device and should not be used as a substitute for professional medical advice, diagnosis, or treatment.
Information
- Version
- 4.26.10-production
- Developer
- Sleep Cycle AB
- Requirements
- Android + 9
- Updated
- 17.03.2026
- Size
- 140.75 MB
- Package
- com.northcube.sleepcycle
- Signature
- a54e39a89bde6d03d0f09643c3d690db
- Architecture
- armeabi-v7a, arm64-v8a