睡眠受机体稳态平衡机制及生物钟调控,并随个体发育而不断变化。充足、规律的睡眠,对儿童的体格发育、智力、情感、认知、行为,以及成年期疾病的预防,均有良好的促进作用。近年来,随着社会经济的发展,以及人类学习、生活方式的改变,儿童的睡眠模式也经历着一定的变化。儿童每天的睡眠时间与既往的参照标准存在一定差距,特别是中小学生的睡眠时间有较大程度的缩短。这与儿童的睡眠习惯,以及社会、父母对儿童期望值的改变,均存在一定的相关性。 Sleep by the body’s homeostatic balance mechanism and the regulation of the biological clock, and with individual development and constantly changing. Adequate, regular sleep, the physical development of children, intelligence, emotion, cognition, behavior, and prevention of adult diseases, have a good role in promoting. In recent years, with the social and economic development, as well as human learning and lifestyle changes, children’s sleep patterns also undergo some changes. Children’s daily sleep time and the previous reference standard there is a certain gap, especially primary and secondary students have a greater degree of shortening the sleep time. This is related to the children’s sleep habits, as well as the social and parental changes in their expectations of children.