The APP used to get you sleep data, heart rate ,respiration from smart sleep band and provide statistic historical data to figure out the trend chart to users for self-assessment. The main function: 1.Sleep monitor: tracking you sleep time ,sleep states and showed the related testing data if you touch the start icon. 2.Sleep testing data record: the app synchronized the sleeping data of day and night automatically and figure the sleeping curve when the user open the app. such as sleeping time, h