use Apple Watch to track your sleep exactly! Auto track!
Use Apple Watch to monitor sleep, monitor automatically, draw a sleep chart, and help you record the exact data of each sleep. Detailed analysis, deep sleep, curve chart gives detailed status.
Calendar mode, you can directly see sleep start stop time, quality and other sleep parameters.
The artificial intelligence adaptive calibration algorithm is suitable for most people's personality characteristics;
dream record!

No need mobile phone microphone, no background operation, no increase in power consumption. Stay away from cell phones and stay away from radiation.

The bed data and sleep data data are written into the "health" application. In the "health" application, sleep statistics and statistical charts can be viewed.

Special remind, must see:
1 no watch is easy to make the application collapse, data is not allowed
2 watch system requires more than watchOS4.0
3, do not open the mobile phone Watch applications "physical training" of "energy saving mode", because the energy is not monitored
4 after 6 a.m., watch calculate the sleep data automatically last night. 6 a.m. for iPhone
5 after midnight, table wear time can not be less than 2 hours.
6 after the installation of the first open accounting is a large amount of data, in case of flash back, please uninstall reinstall.
Declaration:
This application can not be used as a medical basis