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睡眠是生命延续必不可少的组成部分之一,通过睡眠使精神和体力得到恢复。一般的,人类平均睡眠时间是7—8小时,如果是6小时稍为短了一些。但是,在世界上还有睡3—4小时就足够的人,例如,日本上智大学名誉教授酒井洋就是这样一个人。今年68岁的酒井从17岁开始
Sleep is an integral part of life’s continuation, restoring mental and physical strength through sleep. In general, the average human sleep time is 7-8 hours, if it is 6 hours a little shorter. However, there are still enough people in the world to sleep for 3-4 hours. For example, Sakai Yang, an honorary professor at Japan’s Sophia University, is such a person. Sakai, 68, is 17 years old this year