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科学证明,孩子的成长速度睡眠时要比醒着时快3倍,这就说明了睡眠对生长发育中的孩子是多么的重要。刚入园的孩子“罢睡”是个老大难问题。如何保
It has been scientifically proven that children grow 3 times faster when they sleep than awake, which shows how important sleep is for growing children. Children just entering the park “strike sleep ” is a chronic problem. How to protect