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为什么婴儿时期的睡眠时间比成年人多?人类在不同年龄阶段睡眠状况会存在差异神秘的地球uux.cn报道)据新浪科技:国外媒体报道 ,人类一生中大约三分之一的时间在睡觉,科学家一直在讨论为什么睡眠占据我们如此...
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