英语翻译开头是这样的How much sleep do we need?We are all different.Som

英语翻译
开头是这样的How much sleep do we need?We are all different.Some people need only three hours of sleep a night.

How much sleep do we need?We are all different.Some people need only three or four hours of sleep a night.Others need ten hours of sleep a night.Most Americans sleep an average of seven to eight hours a night.After age fifty,the average sleep time goes down to 6.5 hours a night.
Most people have a night when they cannot sleep.About one in three Americans has a problem with sleep.Many of these people cannot fall asleep.The name of this problem is insomnia.
This is not a new problem.Many famous people in history had insomnia.Some of these people had special ideas to make them sleep.Benjamin Franklin,the famous statesman and inventor,had four beds.He moved from bed to bed to fall asleep.King Louis XIV of France had 413 beds and hoped to fall asleep in one of them.Mark Twain,the famous American writer,had a different way.He lay on his side across the end of his bed!
我们需要多少的睡眠?大家各不相同.有些人只需要三个或四个小时的夜间睡眠.其他人则需要十小时的夜间睡眠.大多数美国人的平均夜间睡眠时间是七至八小时.五十岁以后,平均的夜间睡眠时间下降到6.5小时.
许多人都有一个晚上不能睡觉.三分之一的美国人都有睡眠的问题.许多这样的人不能睡觉.这个问题的名称叫做失眠症.
这不是一个新问题.历史上许多名人都有失眠.他们有一些有一些特殊的方法使他们睡觉.本杰明富林克林,一个著名的政治家、发明家,拥有四张床.他从一张移到另一张床去睡觉.法路易十四拥有413张床,希望能在其中一张床上入睡.马克吐温,美国的著名作家,有不同的方法.他躺在床尾的一边睡觉.