Is 8 hours sleep really suitable for everyone? Doctor: most people have been in the dark

Sleep is very important to the human body. It is often said that the lack of sleep and rest will lead to a variety of problems and many serious diseases. Almost one third of people’s time is spent on sleep every day, which shows how important sleep is to people. < / P > < p > about sleep, we often hear the theory that people need to sleep eight hours a day. If you do not reach such a standard, it is lack of sleep, which will cause harm to the body. So in order to make up for these eight hours, many people are not sleepy at all, but they still have to sleep fully. < / P > < p > is that true? Doctor: of course, the answer is No. most people have been in the dark. Sleep time should be determined according to each person’s individual situation, and can not be simply measured by 8 hours. Even if the same sleep time is fixed, everyone’s sleep quality is different. Some people have good sleep quality, and sleep for 5 or 6 hours may be able to meet their physical needs, which is more effective than others. < / P > < p > sleep time should be slightly different according to individual differences. And it’s not that the more the better. Studies have shown that too much sleep can lead to early death. For ordinary people, 6 to 8 hours of sleep is normal, as long as the quality of sleep is OK, the body and spirit have been fully rested, there is no need to pursue too much sleep. Because children are in the period of growth and development, they are more energetic and consume more, so they often need more sleep time. For the elderly, they may not need so much sleep time. With the increase of age, sleep time may gradually decrease, which may be related to the degradation of various functions of the elderly. < / P > < p > lack of sleep is the most common cause of cardiovascular diseases, cardiovascular health is closely related to sleep quality. Long term lack of sleep is easy to increase the incidence of heart disease. In addition, the long-term lack of sleep, but also easy to cause sudden death, in recent years, there are often related reports, because of long-term overtime life irregular, some young people in the work of sudden death. < / P > < p > it seems incomprehensible to say that too much sleep can make people feel tired. In fact, there is a scientific basis for this, too much sleep will make the body immersed in the state of excessive rest, the body’s metabolic functions are at a very low level, people’s organizations can not receive more fresh nutrients, resulting in a sense of fatigue. This is why we sometimes sleep too much and often feel powerless. < / P > < p > in addition to fatigue, too much sleep can also damage the brain. Too much sleep can make people’s brain at rest for a long time. At this time, the body will not send too much oxygen and nutrients to the brain. If the brain can not get nourishment from these nutrients for a long time, it will have some symptoms such as memory loss and brain function decline. < / P > < p > too much sleep also increases the risk of diabetes. Alcohol and tobacco show that people who sleep more than 8 hours are much more likely to have diabetes than people who sleep normally. < / P > < p > sleep is a daily event for everyone and should be treated well. We can’t neglect sleep because we are busy with other things, and we can’t blindly pursue sleep duration. Healthy sleep and scientific sleep are what we should do. Skip to content