Huawei Bracelet 7 supports various health monitoring functions such as sleep health, blood oxygen monitoring, stress monitoring, women's physiological cycle and heart health. Huawei Bracelet 7 can also automatically identify the user's sleep time and sleep duration, completely present a comprehensive sleep structure including sleep and sporadic naps, and then accurately identify six typical sleep problems such as difficulty in falling asleep, shallow sleep, easy waking at night, early waking, dreaminess and irregular work and rest, and provide personalized sleep assistance services and 200+ sleep improvement suggestions to guide users to sleep in the most scientific and healthy way.