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睡眠是人体内产生的抑制过程在大脑皮层内及皮层下结构中广泛扩散的结果。正常睡眠对人体具有保护作用,它保证大脑皮层中神经细胞在经过长时期的工作后得到必要的休息,使其能量消耗得以恢复,以免发生功能衰竭,对于儿童来说,足够的睡眠不仅可以消除一天的疲劳,使高级神经活动恢复良好状态,而且
Sleep is the result of widespread diffusion of inhibition processes in the human body, both within the cerebral cortex and below the subcortical structures. Normal sleep has a protective effect on the human body, which ensures that nerve cells in the cerebral cortex get the necessary rest after a long period of work, so that their energy consumption can be restored so as to prevent the occurrence of functional failure. For children, enough sleep can be eliminated One day’s fatigue, to restore high-level nerve activity in good condition, and