睡眠养生。睡眠是人的重要生理活动,人在睡眠时,身体在为大脑补充能量。人在一天内由于思维、感觉、反应所消耗掉的脑细胞中关键能量只有通过酣畅的睡眠才能得到补充。人的一生大约有1/3的时间要在睡眠中度过。人在熟睡时,呼吸会减弱,心率也会减慢,血压和体温都会下降,连肌肉也完全松弛。因此,古往今来,养生学家都推崇睡眠是一种健身益寿的养生方法。中医认为,”睡能还精,睡能养气,睡能健 Sleep health. Sleep is an important physiological activity of human beings, people in sleep, the body is to add energy to the brain. The key energy of a brain cell consumed by a person during a day due to thinking, feeling and reaction can only be supplemented by a well-deserved sleep. About one-third of one’s life is spent in sleep. When people are asleep, breathing will be weakened, heart rate will slow down, blood pressure and body temperature will drop, even the muscles are completely relaxed. Therefore, from ancient and modern times, health scientists are respected sleep is a health and longevity regimen. Chinese medicine believes that "sleep can be fine, sleep can support, sleep well