The role of sleep is summarized in the following aspects: 1, eliminate fatigue, restore physical strength: sleep is the main way to eliminate physical fatigue. During sleep is a good time for the gastrointestinal tract and its related organs to synthesize and manufacture human energy substances for use in activities. In addition, due to the decrease in body temperature, heart rate, blood pressure, respiration and part of the endocrine decrease, so that the basal metabolic rate is reduced, thus enabling the recovery of physical strength. 2, protect the brain, restore energy: lack of sleep, manifested as irritability, agitation or depression, inattentiveness, memory loss; long-term lack of sleep will lead to hallucinations. And those who have enough sleep, full of energy, quick thinking, high efficiency. This is due to the fact that the brain in the sleep state oxygen consumption is greatly reduced, which is conducive to brain cell energy storage. Therefore, sleep is good for protecting the brain and improving brain power.
Xu Yunqiang, psychiatry department of Xiangshan County Love Hospital 3, enhance immunity, rehabilitation of the body: the human body under normal circumstances, can produce antibodies to various invasive antigenic substances, and through the immune response and remove them, to protect human health. Sleep can enhance the body’s ability to produce antibodies, thus strengthening the body’s resistance; at the same time, sleep can also make the tissues and organs to speed up self-healing. In modern medicine, sleep is often used as a therapeutic tool to help patients get through the most painful period, in order to facilitate the recovery of the disease. 4.Promote growth and development: sleep is closely related to children’s growth and development, infants and children continue to develop their brains for a long time after birth, and this process cannot be separated from sleep; and children’s growth is accelerated in the sleep state, because the plasma growth hormone can be maintained at a high level for several hours during sleep. So we should ensure that children get enough sleep to ensure their growth and development. 5, delay aging, promote longevity: In recent years, many research data have shown that the healthy and long-lived elderly have a good and normal sleep. Human life is like a burning flame, and regular combustion is life lasting; if the high and low combustion will shorten the time, so that people die early. Sleep time is just like the minimum degree of flame burning, so it can slow down aging and ensure the long life. 6, to protect people’s mental health: sleep is very important to protect people’s mental health and maintain normal mental activities. Because a short period of poor sleep can lead to inattentiveness, while a long period of time can cause unreasonable thinking and other abnormal conditions. 7, beneficial to skin beauty: in the process of sleep skin capillary circulation increases, its secretion and removal process is strengthened, accelerating the regeneration of the skin, so sleep is beneficial to skin beauty.