睡眠不足影响孩子身高吗？

有些家长常常埋怨自己四五岁的孩子早晨赖床，即使在父母的千呼万唤下勉强醒来，也是赖在床上不肯起来，早餐来不及吃，上幼儿园经常迟到。家长还反映这些孩子昨上睡得很迟，大多在10时后才上床，到11时才能入眠。其实，正是迟睡造成了孩子赖床。

有研究表明，1～3岁的孩子每天要睡11～12个小时，4～7岁的孩子要睡10.5～11个小时。如果晚上11时入眠，第二天早晨7时起床，那每天的睡眠时间才8小时，这对孩子的生长发育非常不利。

促进孩子长高的一种激素–生长激素的分泌高峰在睡眠中，尤其是在熟睡时。如果孩子经常失眠的话，就会影响生长激素的正常分泌，一两年后，这些孩子的身高将明显低于睡眠充足的孩子。许多父母很关心孩子的身高，却往往忽视了孩子每天的睡眠时间，大家知不知道睡眠和学习与记忆有什么关系？

造成孩子睡眠不足的原因有很多，大多与家长的生活习惯有关。如果孩子有单独的卧室，可以安排他早些睡觉。若是与父母同寝一室，父母就应该给孩子营造一个有利于睡眠的氛围，把室内的灯光调得暗一些，孩子上订前尽量不要和他交谈。有的孩子晚上看了一些刺激情的电视节目，就会回忆电视中的惊险场面，使大脑处于兴奋状态，因此很难入眼。所以，在临睡前应避免让孩子看这类节目。

睡眠不足会引起近视吗？

儿童近视与睡眠不足有一定关系。青春前期是近视眼形成的高峰。支配眼睛局部的交感神经与副交感神经失去平衡，是近视眼形成的病理基础。如果儿童睡眠不足，就可能引起全身植物神经功能紊乱，进而影响眼部的神经，引起眼睛睫状肌调节功能的失调，导致近视。

因此，卫生专家建议，在青春前期这段时期，每天应睡足9～10个小时。如果有可能，中午也要睡上半小时或1小时，这对于预防儿童近视有很大帮助。

《睡眠不足影响孩子身高吗？》有1,241个想法

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