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人的一生有1/3时间是在睡梦中度过的。一生到底需要多少时间睡觉,人和人不一样。拿破仑每天睡3~4个小时,列·托尔斯泰每天睡5~6个小时,爱迪生也需要睡5~6个小时。而爱因斯坦常常一天睡9个小时也不够,他从来不放过午饭后打个盹的机会。约翰·肯尼迪也是一样,他常说,他的许多成绩
One-third of one’s life is spent in sleep. How much time does it take to sleep in the end of life? Napoleon sleep 3 to 4 hours a day, Leo Tolstoy sleeping 5 to 6 hours a day, Edison also need to sleep 5 to 6 hours. Einstein often sleeps 9 hours a day is not enough, he never missed a nap after lunch opportunity. The same is true of John F. Kennedy, who often says many of his grades