WakeCycle: Sleep Cycle Alarm
akira kawata Health & Fitness iPhoneiPadiPod touch
WakeCycle: Sleep Cycle Alarm is a free Health & Fitness app for iPhone and iPad by akira kawata. Requires iOS 15.1. Updated April 27, 2026.
- Price
- Free
- on the App Store
- Size
- 24 MB
- Age 4+
- Updated
- Apr 27
- 2026 · v1.2.1
Screenshots
About WakeCycle: Sleep Cycle Alarm
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 [email protected]
What’s new
Version 1.2.1 · Updated April 27, 2026
- 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
App privacy
The developer, akira kawata, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to WakeCycle: Sleep Cycle Alarm
Looking for apps like WakeCycle: Sleep Cycle Alarm? Here are 6 similar apps on the App Store.
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AirAlarm - Sleep Cycle Alarm
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WakeArc
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Moondawn: Sleep Cycle Alarm
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90-Minute Sleep Cycles
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| WakeCycle: Sleep Cycle Alarm | – | Free | April 27, 2026 | |
| AirAlarm - Sleep Cycle Alarm | – | Free | Aug 21, 2026 | Compare |
| WakeArc | – | Free | Jun 7, 2026 | Compare |
| Moondawn: Sleep Cycle Alarm | – | Free | Jul 30, 2026 | Compare |
| FitSet - Home Workouts | – | Free | Jun 18, 2026 | Compare |
| Slowrise Alarm: Sleep Tracker | – | Free | Sep 25, 2026 | Compare |
| 90-Minute Sleep Cycles | – | Free | Jul 13, 2026 | Compare |