Screenshots
About app Sleep Cycle
Tired of Waking Up Groggy and Disoriented?
Most alarm clocks rip you from deep sleep, leaving you feeling exhausted before your day even begins. Sleep Cycle solves this by using your smartphone’s built-in microphone to analyze your sleep patterns throughout the night. You don’t need to place the phone under your pillow or keep it in bed with you — just set it on your nightstand, and the app does the rest. It tracks your movements, breathing, and sounds to identify exactly when you are in light sleep, deep sleep, or REM cycles. Then, it wakes you up during your lightest sleep phase within a 30-minute window you set, so you feel refreshed and naturally alert.
This tool doesn’t just monitor — it actively improves your sleep quality. You can choose from a library of relaxing ambient sounds to help you fall asleep faster, including white noise, nature sounds, and calming melodies. The app also logs detailed nightly reports, showing how long you spent in each sleep stage, how often you woke up, and even whether you snored or talked in your sleep. Over time, these records help you spot trends and adjust your habits for better rest.
Core Features That Transform Your Morning Routine
- Microphone-based sleep tracking without bedside devices
- Smart alarm wakes you during light sleep for easy rising
- Snore detection and night movement recording
- 30+ relaxing sounds for faster falling asleep
- Shake-to-snooze gesture for gentle wake-up delays
- Customizable alarm days and repeat schedule
Advanced Sleep Analysis Tools
The app’s core engine distinguishes between light, deep, and REM sleep purely from audio cues captured by your phone’s mic. It records your nocturnal activity — tossing, turning, sitting up, or waking momentarily — and presents it as a visual timeline each morning. You can view your sleep quality score, total sleep time, and average restfulness rating. For deeper insight, the app highlights periods of snoring or talking, helping you identify potential sleep disruptions.
The alarm system itself is uniquely adaptive. When you shake your phone to snooze, the alarm doesn’t just repeat at fixed intervals — it gradually shortens the delay between rings, making it easier to transition from sleep to full wakefulness. This progressive wake-up approach reduces the shock of sudden alarms and helps you start your day in a better mood.
Personalization and Scheduling
- Set your preferred wake-up time and choose which days the alarm activates
- Select from multiple alarm sounds (note: most premium sounds require in-app purchase)
- Swipe to start sleep tracking each night; swipe again to dismiss alarm in the morning
- View historical sleep data to track improvement over weeks or months
The app also offers a Turbo subscription tier that removes all advertisements and unlocks additional features like detailed sleep trend analysis, advanced sound libraries, and priority customer support. Without Turbo, the app remains fully functional for basic tracking and alarms, though ads appear periodically.
Why This App Works Better Than Standard Alarms
Traditional alarms treat all sleep as equal — they blast noise at a fixed time regardless of your sleep stage. Sleep Cycle’s approach is fundamentally different: it uses real-time audio analysis to time your wake-up to the optimal moment in your sleep cycle. This means you’re less likely to experience sleep inertia (that groggy, disoriented feeling), and you’ll wake up feeling more alert and ready to start your day.
The app also encourages better sleep hygiene by providing factual feedback. You can see exactly how your bedtime, wake time, and nighttime habits affect your sleep quality. Over time, this data helps you make informed adjustments — like going to bed earlier, avoiding late caffeine, or reducing noise in your bedroom.
Exclusive Access for First-Time Users
Download Sleep Cycle now and wake up feeling genuinely rested. This limited-time offer gives new users free access to premium sleep sounds and advanced analytics for 7 days. Today only — unlock better mornings with personalized smart alarms that adapt to your sleep patterns.
Heads up: you’ll need wifi or mobile data for initial setup and sound downloads. Some advanced features like detailed trend reports and premium sound packs require a Turbo subscription. The basic alarm and sleep tracking work perfectly without any payment.
Information
- Version
- 4.26.10-production
- Developer
- Sleep Cycle AB
- Size
- 140.75 MB
- Android
- Android + 9+
- Age
- 3+
- Package
com.northcube.sleepcycle- Signature
- a54e39a89bde6d03d0f09643c3d690db
- Architecture
- armeabi-v7a, arm64-v8a
- SHA-256
- 55ac6f922f7743d52550f33af265d8896517b3d9e68d1cc52d99e58d533bb551
