High quality sleep time is usually considered to be from 10pm to 6am the next morning, with the golden sleep time being from 11pm to 3am at night, and it is usually recommended to ensure 6-8h of sleep per day. Older people can sleep for a relatively shorter period of time and should get 6h of sleep per day. Children should be guaranteed more than 10h of sleep per day, and adults should sleep at least 8h per day. but the quality of sleep is also important, the specific length of sleep also varies from person to person, some people sleep a little shorter than normal, but the daytime energy, no discomfort symptoms, also do not need to deal with. For patients who have difficulty sleeping, it is recommended to exercise before bedtime, relax, drink milk or soak feet in hot water before bedtime, play soft music, and take sleep-aiding drugs under the guidance of a physician if necessary.