人的一生大约有三分之一的时间要在睡眠中度过。睡眠是人体的生理需要,也是维持身体健康的重要手段。为此,提高睡眠质量显得尤为重要。择时上床,按时就寝人的身体和时钟一样,有一定的规律,医学上称为“生物钟”。 About one-third of human life is spent in sleep. Sleep is the physiological needs of the body, but also an important means of maintaining good health. To this end, it is particularly important to improve the quality of sleep. Time to go to bed, on time to sleep the body and the clock, there is a certain law, medically known as the “biological clock.”