WakeCycle: Sleep Cycle Alarm
Smart 2-Stage Bedtime Timer
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
NEW on iOS 26: Alarms now appear in Clock app & sound in Silent Mode! Our 2-stage alarm uses 90-min sleep cycles to end grogginess. Wake up refreshed. Download free!
Wake up feeling refreshed every morning with WakeCycle - the scientific alarm clock that works with your natural sleep cycles.
Say goodbye to morning grogginess and sleep inertia. WakeCycle uses scientifically proven 90-minute sleep cycle calculations to time your wake-up perfectly during REM sleep (light sleep), so you start your day alert and energized.
KEY FEATURES:
2-Stage Alarm System
Our unique 2-stage alarm gently prepares your brain before waking. Stage 1 plays a soft, gentle sound 20 minutes before your target wake time, allowing your body to transition naturally from deep sleep. Stage 2 sounds at your set time to ensure you wake up on schedule. This gradual approach dramatically reduces the stress of sudden awakening.
90-Minute Sleep Cycle Optimization
Human sleep follows approximately 90-minute cycles, alternating between deep sleep and REM (light) sleep. Waking up during deep sleep causes grogginess, while waking during REM leaves you feeling refreshed. Simply set your wake time, and WakeCycle calculates the optimal bedtime to complete full sleep cycles.
Smart Bedtime Notifications
Receive personalized bedtime reminders based on your wake time. Build healthy sleep habits by going to bed at the optimal time for your schedule.
Intuitive Sleep Visualization
See your sleep patterns at a glance with our beautiful wave graph. Understand how sleep cycles work and why timing matters for quality rest.
Beautiful Midnight Glow Theme
Eye-friendly dark mode design perfect for use in dark bedrooms. Elegant interface with smooth animations makes setting alarms simple and pleasant.
Scientific Evidence Based
WakeCycle is designed based on research from the National Heart, Lung, and Blood Institute (NHLBI) and the Sleep Foundation. We follow the latest sleep science to recommend optimal sleep duration and wake timing.
HOW IT WORKS:
Step 1: Set your desired wake time
Step 2: Receive a bedtime notification at the calculated optimal time
Step 3: Go to bed and fall asleep naturally
Step 4: Wake up refreshed as our 2-stage alarm guides you through the sleep cycle
WHO IS WAKECYCLE FOR?
Perfect for professionals, students, and anyone who wants to:
- Eliminate morning grogginess and sleep inertia
- Wake up feeling alert and productive
- Improve overall sleep quality
- Establish healthy sleep routines
- Understand the science behind better rest
SLEEP SCIENCE EDUCATION:
Access our built-in Sleep Science section to learn about:
- The 90-minute sleep cycle structure
- Differences between deep sleep and REM sleep
- Optimal sleep duration recommendations with health scores
- Pre-sleep routine tips (the 3-2-1 rule: no food 3 hours, work 2 hours, screens 1 hour before bed)
Download WakeCycle now and experience the difference of waking up at the right time. Science says you can start every morning feeling refreshed - let us help you prove it.
For support and feedback, contact us at eerf0309+wakecycle@gmail.com
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Fixed recommended bedtime being 15 minutes off from other displays
- Fixed test alarms rarely scheduling at an incorrect time
- Fixed gentle alarm (Stage 1) playing louder than intended — now correctly starts at 30%
- Fixed notification permission prompt being skipped when tapping "Skip" during onboarding
The developer, akira kawata, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- akira kawata
- Size
- 24.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 akira kawata