皇家学院的小儿保健科医生伊恩·穆肯奥克说：“5岁以下的儿童夜晚加上白天小睡平均下来要达到11小时以上”。
Dr Ian Maconochie, from the Royal College of Paediatrics and Child Health said: "Children under five generally average at least 11 hours sleep at night and in daytime naps."
皇家学院的小儿保健科医生伊恩·穆肯奥克说：“5岁以下的儿童夜晚加上白天小睡平均下来要达到11小时以上”。
Dr Ian Maconochie, from the Royal College of Paediatrics and Child Health said: "Children under five generally average at least 11 hours sleep at night and in daytime naps."
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