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一天不吃饭,会浑身无力,心慌,出冷汗。一天不睡觉同样感到头晕脑胀,疲乏无力,记忆力减退。人的一生中,约有三分之一的时间在睡眠中度过,可见睡眠对于人类生命的重要性。儿童时期生长发育迅速,新陈代谢旺盛,是身体发育的重要阶段,保证儿童有良好的睡眠尤为重要。科学家发现,有助于人生发育的生长激素大部分是在睡眠时分泌。据科学家测验,经常睡眠不足的孩子比睡眠正常的孩子发育慢,其原因可能与生长激素分泌不足有关。儿童少年时期每天必须睡足十至十二小时。要按儿童的身长设床
Do not eat one day, will be weak, palpitation, cold sweat. Do not sleep the same day feel dizzy, tired and weak, memory loss. Approximately one-third of human life time spent in sleep, we can see the importance of sleep for human life. Rapid growth and development during childhood, strong metabolism, is an important stage of physical development, to ensure that children have a good sleep is particularly important. Scientists have found that most of the growth hormone that helps to develop the body is secreted during sleep. According to scientists tests, often less sleep than children with normal sleep slow growth, the reason may be related to lack of growth hormone secretion. Children must sleep for ten to twelve hours a day. According to the height of children set up bed