古人云:“能眠能食者长生”,“眠食二者乃养生之要务”。的确,睡眠对人的健康十分重要。通过睡眠,不但精神和体力能得到恢复,而且能为人体积蓄力量,从而抵抗疾病的侵袭。 充足睡眠是最佳“药物”。人在熟睡时,体内细胞会制造出一种叫做“胞壁酸”的化学物质,该物质能提高人体免疫功能,使免疫系统在睡眠过程中得到某种 The ancients said: “can sleep edible longevity”, “sleep two are health care priorities.” Indeed, sleep is very important to human health. Through sleep, not only can the spirit and physical energy be restored, but also the human body accumulates strength so as to resist the invasion of the disease. Adequate sleep is the best “medicine.” When people are asleep, the body’s cells create a chemical known as “muramic acid,” a substance that improves the body’s immune system and allows the immune system to get some sort of sleep during sleep