On the issue of sleep, many people generally think that good sleep is a long sleep, the longer the better, in fact, this is a misunderstanding. According to studies, the optimal amount of sleep for adults is 6.5 to 7.4 hours a day, so ensuring about 7 hours of sleep per day is an important guarantee of longevity.

Baby's sleep
Why sleep? What does sleep do?
In fact, don't underestimate the role of sleep, sleep is not "lazy". People achieve physical energy recovery, remove metabolic waste, improve immunity and store memories through adequate sleep. That is to say, all kinds of higher activities of the brain depend on good sleep. For adolescents who are still in the development period, sleep promotes the function of human growth and development, and 80% of the growth hormone required for growth and development will be generated during sleep, and with these growth hormones, it is possible to ensure that children's brains and various organs of the body mature, including long ones.
Adolescent development requires adequate sleep
With the completion of physical development, the increasing age, the length and demand for sleep will gradually decrease, in the adult stage, the main function of sleep developed to restore physical fitness and metabolism as the main content.
There is still a relationship between sleep duration and mortality. Many people think that the longer you sleep, the longer you live. This is not the case. The optimal sleep time for adults is 6.5 to 7.4 hours, so an average of 7 hours is about an important sleep time for longevity.
Elderly people who have suffered a stroke
There is also a relationship between sleep length and stroke risk, according to scientific studies, people who slept an average of 8 hours were 2 times more likely to have a stroke than those who slept for an average of 7 hours, while people who slept an average of 8 hours were 4 times more likely to have a stroke than people who slept for an average of 6 hours. That is to say, the longer the sleep time, the higher the incidence of stroke, so the sleep time of the elderly is best controlled at about 7 hours.
Scientific sleep is the guarantee of health, if you find poor sleep quality or insomnia and other sleep problems must be paid attention to and timely adjustment, if necessary should be timely medical treatment. Your sleep duration is generally a few hours, and you are welcome to actively discuss it.