The RFID smart bracelet is a wearable smart device that records real-time data such as exercise, diet and sleep in the user's daily life and guides the user to live healthier by analyzing the data. Nowadays people are more and more important to health. Therefore, the smart bracelet has developed rapidly in recent years with more and more complete functions. In addition to recording exercise data, functions such as diet, heart rate and sleep have gradually been added. Although intelligent sports bracelet diversification, but its carrying equipment is limited, such as sleep monitoring function is only as a reference, in the absence of a comprehensive monitoring of body conditions, can not achieve true sense of sleep monitoring. In fact, the current domestic demand for sleep monitoring is very large, according to statistics, there are already 300 million people have sleep problems. The huge demand has naturally spawned many home-use sleep monitoring devices, of which RestOn sleep detector is the leader. The 2mm thick detection of soft zone can monitor the heart rate, stand-up movement during sleep, respiration rate and so on data, comparable to medical equipment, is the best choice for users to monitor sleep in their daily lives.