An elderly person may nap during the day and then sleep only five hours a night.
上了年纪的人白天会小睡一会儿，然后晚上只睡5个小时。
To further confuse the issue, there is an enormous variation in the amount of sleep people feel happy with.
使这个问题进一步复杂化的是，人们感觉愉快的睡眠时间相差很大。
Other studies have found that even infants in East Asia sleep about an hour less than European infants.
其他研究发现，即使是东亚的婴儿也比欧洲的婴儿少睡一小时左右。
It is possible—if statistically extremely unlikely—that Steel could be born a "short sleeper" with an unusual body clock, says sleep expert Dr. Sophie Bostock.
尽管从统计学上来说极不可能，但斯蒂尔有可能天生是个“短睡眠者”，拥有一个不寻常的生物钟。
Most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the nation.
大多数研究睡眠行为的专家都认为，在这个国家，嗜睡实际上是一种流行病。
We are still in the exploratory stages of this project, although what's noteworthy is that East Asians on average sleep about an hour and a half less each night than North Americans do.
我们仍然在这个项目的探索阶段，尽管值得注意的是，东亚人平均每晚比北美人少睡一个半小时。
When we sleep below six hours per we're at an increased risk of health problems.
当我们每小时睡眠不足6小时，就会有增加我们健康问题的风险。
Second, once sleep is fully obtained, there is an increase of carbon dioxide and a decrease of oxygen in the blood that persists during NREM.
第二，一旦完全进入睡眠状态，非快速眼动期间血液中的二氧化碳增加，氧气减少。
We have no problem understanding a movie where somebody goes to sleep as a teenager and wakes up as Jennifer Garner, as an older person.
我们完全能够看懂电影中一个少女睡去，一觉醒来却变成了老年人詹妮弗·加纳。
Not only did I get my full eight hours of sleep, but an additional two more hours as well.
我不仅睡足了8小时，还多睡了两个小时。
When you sleep through the alarm or simply need an extra 10 minutes, you can just pluck it off the hanger and go.
当你睡着一直没听见闹钟，或者只是需要多睡10分钟的时候，你可以把闹钟从衣架上拿下来就走。
They can just be symptoms of a sleep disorder that can result from an unpleasant experience, stress, or certain drugs.
它们可能只是睡眠障碍的症状，可能是由不愉快的经历、压力或某些药物引起的。
In order to ensure our kids get the sleep they need, both parents and schools should make an effort.
为了确保我们的孩子获得所需的睡眠，父母和学校都应该做出努力。
Some may simply go to sleep early, so they can be energized for an early New Year's Day hike—perhaps while wearing underwear that suits their mood, and wishes for the New Year.
有些人可能只是早早睡觉，这样他们就可以精力充沛地提前开始新年徒步旅行——也许他们还可以穿着符合心境的衣服，并许下新年愿望。
Relaxation lowers metabolic rate, as does adequate sleep and in general an equable and balanced personality.
放松会降低代谢率，充足的睡眠也会降低代谢率，总的来说，人的性格也会变得平和沉稳。
People suffering from sleep-loss are at an increased risk from obesity, psychological problems and car crashes.
睡眠不足的人面临肥胖、心理问题和车祸的风险更高。
Good sleep plays an important role in our health.
良好的睡眠对我们的健康起着重要的作用。
Poor sleep has an influence on our memory and learning.
睡眠不好会影响我们的记忆力和学习。
Calm is an app that can help you relax and sleep better.
Calm 是一款可以帮助你放松和改善睡眠的应用程序。
An adult koala normally eats between 0.5 and 0.8 kg of leaves a day, Koalas sleep about 20 hours a day.
一只成年考拉通常一天吃0.5到0.8公斤的树叶，一天大约睡20个小时。
Gradually adjusting your schedule like this usually works better than suddenly trying to go to sleep an hour earlier.
像这样逐步的调整就寝的时间往往比突然一下子早睡一个时间效果更好。
You're going to lose an hour of sleep, and then I thought but what the hell, you've pretty much lost everything else.
你将会失去一个小时的睡眠，不过我想，管它哪，反正你已经差不多失去了一切。
You'll automatically be cutting down your calorie intake, and as an added benefit, you'll sleep better.
这样你就会不自觉地削减自己的热量摄入，还有一个好处，那就是睡眠质量更好了。
It's classified as a parasomnia, an abnormal behavior during sleep that's disruptive.
它被归类为睡眠机能紊乱，是一种当睡眠被打乱时的异常行为。
Many people suffer from a sleep disorder known as insomnia. Insomnia is caused by many different factors including stress and an irregular sleep cycle.
很多人都被失眠症困扰着，失眠是一种睡眠的紊乱状态，可由多种原因引起，其中包括压力和睡眠周期的不规律。
The benefits to memory of a nap, says Dr Walker, are so great that they can equal an entire night’s sleep.
沃克博士说，小睡的好处非常大，甚至抵得过一整夜的睡眠。
The benefits to memory of a nap, says Dr Walker, are so great that they can equal an entire night’s sleep.
沃克博士说，小睡的好处非常大，甚至抵得过一整夜的睡眠。
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