I'd had three hours sleep the night before, and not much more the nights before that too.
昨天晚上我只睡了三个小时，再之前的几个晚上，我也没睡多长时间。
Children who get less than nine hours sleep a night struggle at school, research has shown.
研究发现，睡眠时间少于九小时的孩子在校表现差。
Scientists have found that you can double your chances of reaching your target weight if you get between six and eight hours sleep a night.
科学家们发现，如果你每天睡6到8个小时，你达到目标体重的机会就会加倍。
"People should get as many hours sleep as they need to feel rested," Kripke says, adding that there's no proof that shortening sleep will lengthen life.
“人们应该睡足他们需要休息的时间，”克里普卡说。他还补充说，没有证据证明缩短睡眠时间能够延长寿命。
Dr Ian Maconochie, from the Royal College of Paediatrics and Child Health said: "Children under five generally average at least 11 hours sleep at night and in daytime naps."
皇家学院的小儿保健科医生伊恩·穆肯奥克说：“5岁以下的儿童夜晚加上白天小睡平均下来要达到11小时以上”。
A third of 33-year-olds say they get an average of only five hours sleep a night, a survey suggests.
一项研究发现，三分之一的33岁的人们称他们每晚平均只有5个小时的睡眠时间。
Getting less than six hours sleep a night can lead to an early grave, UK and Italian researchers have warned.
英国和意大利的研究人员警告道，每晚睡眠时间少于六小时可能导致过早死亡。
Last night I had about 3 hours sleep since I couldn't help but think about the decision that would come in the following days.
昨天晚上，由于总是忍不住想到明天就是最终评审结果公布的时候了，我辗转反侧的只睡了三个小时。
ObjectiveTo investigate the evaluation and variability of emotion following the time during sleep inertia (SI) after 30 hours sleep deprivation.
目的探讨睡眠惯性期间情绪主观评价及随时间变化情况。
Volunteers were photographed after eight hours sleep and again after being kept awake for 31 hours. The photographs were shot in a well lit room.
研究者在一个光线充足的房间里，分别对睡足八小时和保持31小时不睡觉的志愿人员进行拍照。
If a child gets less than six hours sleep a night, over the course of a week this can lead to more than 700 changes in the way their genes behave.
如果一个儿童每晚的睡眠时间少于6小时，这样持续一周，将会导致基因行为方式发生700多个变化。
Dr Stanley says having a nap during the day should not be used to replace sleep at night, but other researchers suggest that it could do you as much good as seven hours sleep at night.
Stanley博士说白天的打盹儿并不能代替晚上的睡眠，但其他的研究者称打盹儿是很有好处的，可媲美于晚上的7小时睡眠。
Full-time working mothers were suffering the most with 59 percent saying they were not getting enough sleep.Half of the working mothers said they were getting six or fewer hours sleep a night.
这种现象在上班妈妈中尤为严重，其中，59%的妈妈说她们睡眠不足，有一半的上班妈妈每天最多只能睡6个小时。
Full-time working mothers were suffering the most with 59 percent saying they were not getting enough sleep. Half of the working mothers said they were getting six or fewer hours sleep a night.
这种现象在上班妈妈中尤为严重，其中，59%的妈妈说她们睡眠不足，有一半的上班妈妈每天最多只能睡6个小时。
I packed, then snatched two hours' sleep.
我打好行装，然后抓紧时间睡了两小时。
It's not much of a place but we must get a few hours' sleep.
地方虽不怎么样，不过我们一定得睡上几小时。
Many scientists believe irregular sleeping patterns lead to illnesses ranging from aches and pains to heart disease, while less than eight hours' sleep a night can lower the IQ the next day.
一些科学家相信，不规律的睡眠可导致从头疼到心脏病等的各种疾病，不到八小时的睡眠会降低第二天的智商。
But more women seemed to avoid any problems, with 21 percent regularly getting more than eight hours' sleep compared to just 14 percent of men.
不过，完全没有睡眠问题的女性似乎比男性多，21%的女性每天睡眠时间通常在8小时以上，而这样的男性只有14%。
Over-55s also try hardest to have at least six hours" sleep and plenty of fresh air, according to research done in the UK for fruit brand Florida Grapefruit."
该项为“佛罗里达柚”水果品牌开展的调查显示，55岁以上的受访者努力保证每天至少六个小时的睡眠时间，并尽量让自己呼吸大量的新鲜空气。
They persuaded hundreds of people to answer conundrums such as: would you rather earn $80,000 a year and sleep 7.5 hours a night, or $140,000 a year with six hours’ sleep a night?
他们说服数百人回答这样的难题：年薪8万美元、每晚7.5小时睡眠，年薪14万美元、每晚6小时睡眠，两份工作你选哪个？
They found those who have less than ten hours' sleep were twice as likely to be overweight five years later, with some even clinically obese.
他们发现，五年后，那些每天睡眠不足10个小时的儿童发胖的几率是睡眠充足的儿童的两倍，其中还有一些儿童已经患上临床性肥胖症。
The politicians themselves put in similarly long hours, of course, with Gordon Brown said to have snatched about two or three hours' sleep on both Thursday and Friday night.
当然了，政客们一点也不比他们轻松。戈登·布朗据说周四周五两天晚上只睡了两三个小时。
I packed, then snatched four hours' sleep.
我整理好行装后抓紧时间睡了四个小时。
In our society, you're considered dynamic if you say you only need 5.5 hours' sleep.
在我们的社会，如果你说你只需要5个半小时的睡眠，人们就会认为你很有活力。
Middle school students should have at least 8 hours' sleep every day.
中学生每天至少应该保证8小时的睡眠时间。
Most adults need seven to nine hours' sleep while teens need even more.
大多数成年人需要7到9小时的睡眠，而青少年所需时间更长。
Most adults need seven to nine hours' sleep while teens need even more.
大多数成年人需要7到9小时的睡眠，而青少年所需时间更长。
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