zZZ - Sleep Tracker app for iPhone and iPad

zZZ - Sleep Tracker

Sleep better with zZZ, your smart sleep assistant. We can analyze your sleep data automatically using your Apple Watch.
We using sleep data with the Apple Health app on iPhone empowers you to better manage your sleep. Explore trends about your sleep and compare your sleep quality with many Apple Health metrics that affect sleep.
Join us that have discovered the life-changing benefits of great sleep!

Track your sleep
- Wearing your Apple Watch during sleep. We will automatically detect and analyze your sleep.

Analysis your sleep
- Detailed sleep stage diagram (Awake, REM, Core Sleep, Deep Sleep) and sleep rate.
- Show the percentage & duration of that

More Sleep Info
- Asleep & Awake time
- Explore your sleep history with Day, Week, Month, and Custom Date
- Sleeping wrist temperature, Sleeping heartbeat rate, Respiratory rate
- Discover all aspects of your sleep

Sleep Quality
- Analyze your sleep and rate that.Find the bad days or nice dream days
- Help you to improve your sleep

Setting
- Theme Setting
- Widget
- Notification
- More App Icons
- Share with friends

Watch App
- You can also use the app in your watch.

Privacy by Design
- We uses Apple’s HealthKit API which reads and writes data directly on your device only, and all of your data is stored locally, or on other devices which you enabled iCloud syncing.


FINALLY, Wish you have a good night~