Wake up naturally during REM sleep with 90-minute sleep cycles and 2-stage alarm. Prevent sleep inertia and start every morning feeling refreshed.
Scientific approach and beautiful design support your ideal sleep habits
Human sleep repeats in approximately 90-minute cycles. Set your wake time and we'll calculate the optimal bedtime, helping you wake up at the end of REM sleep.
A "gentle" sound 20 minutes before primes your brain, then the "main" alarm wakes you up. Reduces stress from sudden awakening and prevents sleep inertia.
Intuitive wave graph visualizes your sleep cycles. See your sleep patterns at a glance and understand optimal wake timing.
Get notified at your calculated optimal bedtime. Build the habit of putting away your phone and going to bed relaxed.
Eye-friendly "Midnight Glow" theme for comfortable operation in dark rooms. Intuitive interface that anyone can use easily.
Designed based on the latest sleep science research. References from NHLBI and Sleep Foundation help suggest optimal sleep duration and wake timing.
Experience ideal wake-ups in 3 simple steps
Set your desired wake time. The app automatically calculates the optimal bedtime.
Receive bedtime notification and go to bed at the calculated time. Relax and fall asleep.
The 2-stage alarm prompts wake-up at the end of REM sleep, giving you a comfortable morning.
Download the app now to experience the perfect morning
Contact & Feedback
eerf0309+wakecycle@gmail.com