搜搜考试网英语翻译No one knows why we sleep,but it's certain that we need
来源：学生作业帮 编辑：搜搜考试网作业帮 分类：英语作业 时间：2024/08/08 17:23:49
英语翻译
No one knows why we sleep,but it's certain that we need to.People who are prevented from sleeping begin to suffer obvious effects after a few days—they think less clearly,and they fall asleep during the working hours; some may have hallucinations(幻觉).
There are no rules about sleep.Generally speaking,grown—ups sleep about 7 and a half hours each night and probably more than 60 percent get between seven and eight hours.But perhaps eight per cent are quite happy with 5 hours or less,and 4 per cent or so find that they want ten hours or more.If you feel all right,you've probably got enough sleep.The important thing is not to worry how much other people get.Their needs may be different.Exercise doesn't seem to increase the need for sleep—office workers,for example,sleep for about as long as people doing physically active work.
Children sleep more than grown—ups perhaps 14 to 18 hours soon after birth,going down to grown—up levels by early teen—age.Sleep patterns also tend(倾向) to be different in the elderly,who may sleep less at night than they did when younger,find sleep getting more broken,and often make it a rule to sleep during the daytime.
No one knows why we sleep,but it's certain that we need to.People who are prevented from sleeping begin to suffer obvious effects after a few days—they think less clearly,and they fall asleep during the working hours; some may have hallucinations(幻觉).
There are no rules about sleep.Generally speaking,grown—ups sleep about 7 and a half hours each night and probably more than 60 percent get between seven and eight hours.But perhaps eight per cent are quite happy with 5 hours or less,and 4 per cent or so find that they want ten hours or more.If you feel all right,you've probably got enough sleep.The important thing is not to worry how much other people get.Their needs may be different.Exercise doesn't seem to increase the need for sleep—office workers,for example,sleep for about as long as people doing physically active work.
Children sleep more than grown—ups perhaps 14 to 18 hours soon after birth,going down to grown—up levels by early teen—age.Sleep patterns also tend(倾向) to be different in the elderly,who may sleep less at night than they did when younger,find sleep getting more broken,and often make it a rule to sleep during the daytime.
没有人知道为什么我们要睡觉,但是睡觉是我们必然需要做的事情.一些人几天不睡觉在几天以后会有一些很明显的症状—— 他们的想法变得不清楚,而且,他们会在工作时间想睡觉,有些甚至会产生幻觉.
睡觉是没有规矩的.一般来说,成年人的睡眠在每晚7个半小时左右,并且大约有60％的人可以有7－8个小时的睡眠.但是可能8％的人会觉得很开心,如果有5个或者更少时间的睡眠.有4％的人会发现他们需要10个小时或者更多的时间睡觉.如果你觉得身体舒适,那么你可能已经有了足够的睡眠时间.重要的事情不是关心他人的睡眠时间是否足够.他们的睡眠时间需求可能与你不同.运动似乎没有曾加上班族对睡眠的需求,据各例子,睡眠时间与人们身体活动的时间差不多长.
刚出生的孩子可能需要睡14－18个小时,当他们渐渐长大到十几岁的时候睡眠时间会逐渐减少.老年人的睡眠模式也会变得不一样,他们会在年轻的时候睡得很晚,而且睡觉断断续续的,经常在白天的时候也需要一个睡觉的习惯.
睡觉是没有规矩的.一般来说,成年人的睡眠在每晚7个半小时左右,并且大约有60％的人可以有7－8个小时的睡眠.但是可能8％的人会觉得很开心,如果有5个或者更少时间的睡眠.有4％的人会发现他们需要10个小时或者更多的时间睡觉.如果你觉得身体舒适,那么你可能已经有了足够的睡眠时间.重要的事情不是关心他人的睡眠时间是否足够.他们的睡眠时间需求可能与你不同.运动似乎没有曾加上班族对睡眠的需求,据各例子,睡眠时间与人们身体活动的时间差不多长.
刚出生的孩子可能需要睡14－18个小时,当他们渐渐长大到十几岁的时候睡眠时间会逐渐减少.老年人的睡眠模式也会变得不一样,他们会在年轻的时候睡得很晚,而且睡觉断断续续的,经常在白天的时候也需要一个睡觉的习惯.
No one knows why we sleep,but it iscertain that we need to.P
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