From diary entries and other personal accounts from the 18th and 19th centuries, sleep scientists have reached the conclusion—that the average person used to sleep about 9.5 hours a night.
从18世纪和19世纪的日记和其他个人记录中，睡眠科学家已经得出结论——人的平均睡眠时间约为每晚9.5小时。
If Steel was routinely sleeping for four hours a night, she would be drastically underestimating the negative impact, says Alison Gardiner, founder of the sleep improvement programme Sleep station.
睡眠改善项目“睡眠站”的创始人艾莉森·加德纳说，如果斯蒂尔通常每晚只睡4个小时，她就大大低估了其负面影响。
These kinds of watches are used in sleep studies as a way of measuring how long people are sleeping, how efficient the sleep is, and whether they are waking up in the night.
这些类型的手表在睡眠研究中被用来测量人们的睡眠时长、睡眠效率，以及他们是否在夜间醒来。
That night, the girl had a good sleep, but the boy didn't sleep well.
那天晚上，女孩睡得很好，但男孩没睡好。
Scientists have found that people who sleep for less than 6 hours and a half at night are more often ill than people who sleep for 8 hours.
科学家发现，晚上睡眠少于6个半小时的人比多于8小时的人更容易生病。
Getting enough sleep at night allows us to keep our heart health. You will have a healthier heart if you can get at least 7 hours of sleep every night.
晚上得到充足的睡眠可以让我们保持健康，同时，如果每晚能保证至少7个小时的睡眠，你将拥有一颗健康的心脏。
Humans Need eight Hours sleep a Night: There are many ways of sleeping and few cultures sleep in eight-hour consolidated blocks like we do.
人每天晚上需要八小时的睡眠：我们有很多种睡眠方式和少数几种睡眠文化传统，就像大多数人每天要连续的睡八小时。
People who awake in the middle of the night from sleep apnea are unable to complete normal sleep cycles, a time when the body naturally lowers hormone levels and blood pressure.
正常睡眠的时间里，人体能保持较低的激素水平和血压。而半夜由睡梦中因为呼吸暂停醒来的人就不能继续正常的睡眠周期。
I'm starting this polyphasic sleep schedule today, so last night was my last night of "normal" sleep for a while.
今天，正式实施多相睡眠，所以昨晚是我正常睡眠的最后一个晚上。
However, the sleep restriction was severe enough that recovery of alertness was not complete following a single night of extended sleep, indicating a residual sleep debt remained.
但是实验中的睡眠不足却十分严重。其间警觉性也无法在一天里恢复。这表明欠下了很多‘睡眠债’。
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。
Instead of trying to figure out your motion patterns, Gentle Alarm takes a statistical approach: near the end of the night, light sleep and deep sleep alternate every 30 minutes or so.
因此，GentleAlarm并非通过您的动作来测算您的睡眠状态，而是根据的统计结果：在夜幕即将结束的时候，浅睡眠阶段与深睡眠阶段约每30分钟交替一次。
People who sleep about seven hours a night live the longest, three huge studies have found, the newest out in the February issue of the journal sleep.
三次大规模的研究发现每晚睡7小时左右的人寿命最长，其中最近的一次研究结果在二月份的《睡眠》期刊上发表。
Findings suggest that major extensions of sleep time may not be necessary, as an extra 20 minutes of sleep per night seems to be associated with a lower body mass index, "it added." we.
同时该研究还显示：“我们的调查结果表明没有必要大量增加睡眠时间，每晚多睡20分钟似乎有助于降低体重指数。”
A sleep macho used to be "I only get forty-two minutes of sleep a night."
夸大数字的那些人，“我一晚只睡了42分钟”。
Contrary to popular belief, people who sleep six to seven hours a night live longer, and those who sleep eight hours or more die younger, according to the latest study ever conducted on the subject.
与人们的普遍观念恰恰相反，就睡眠所做的最新研究发现每晚睡6 -7个小时的人要比睡8个小时或更长时间的人寿命长。
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。
Yet even though these new moms are certifiably wiped out, they're not sleep-deprived: the 80 mothers surveyed reported getting 7.2 hours of sleep a night.
然而，虽然这些新妈妈很显然都非常疲惫，但是她们并不缺乏睡眠，接受调查的80位妈妈报告她们每晚睡眠时间为7.2小时。
Then sleep on it. If you're feeling unsure about something a good night sleep might do the trick.
那么去睡一觉吧，如果你正在犹豫，一个好觉可能会是个窍门。
Reprogramming your sleep rhythms for two days doesn’t do much to help you erase sleep debt, and it throws off your sleepwake cycles just in time for a bad case of Sunday-night insomnia.
在这两天重新安排水面节奏对弥补缺觉无大好处，而且它回打乱你一周的作息规律，造成周日晚上的失眠。
[2008-07-23 16:41]--Teenagers need nine hours of sleep a night and parents can help by getting them back on a school sleep schedule before classes begin, researchers suggest.
研究人员日前指出，中学生每天需要九个小时的睡眠，在开学之前，家长们要帮助孩子逐渐回到上学时的作息时间上来。
If you are awakened out of rem (Rapid Eye Movement) sleep, you are more likely to remember your dream in a more vivid way than you would if you woke from a full night sleep.
如果你从深度睡眠(译注：REM sleep，快速动眼睡眠)中醒来时，要比从一整夜的完整睡眠中醒来时，更有可能以一种更生动的方式记得所做的梦。
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？
The American Academy of Sleep Medicine recommends that adolescents should sleep at least nine hours or more a night.
美国睡眠药物学会建议，青少年每晚睡眠时间至少要达到9个小时。
Get more sleep. An effective day at work actually begins the night before, according to Arianna Huffington, so make sleep a priority.
好好睡觉。阿里安娜·赫芬顿认为，要想白天办事效率高，晚上先得休息好，所以睡觉是第一位的。
They're not just sleep-deprived like hundreds of millions of other people; they genuinely thrive on four to six hours of sleep a night.
他们不是数以百万计的睡眠缺乏者；他们是真正地靠每晚4到6个小时的睡眠成长的。
However, the new drug, Xyrem puts Claire into a deep sleep for three-and-a-half hours so she must take a second dose in the middle of the night to get a full seven hours sleep.
然而，新型药物“Xyrem”可以让克莱尔处于深度睡眠，连续睡上三个半小时，所以在半夜她要再吃上一次药，保证自己可以有7个小时的深度睡眠。
However, the new drug, Xyrem puts Claire into a deep sleep for three-and-a-half hours so she must take a second dose in the middle of the night to get a full seven hours sleep.
然而，新型药物“Xyrem”可以让克莱尔处于深度睡眠，连续睡上三个半小时，所以在半夜她要再吃上一次药，保证自己可以有7个小时的深度睡眠。
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