They usually sleep standing up.
它们通常站着睡觉。
I'm eating the same things I always eat and I usually sleep eight hours a night.
我吃的东西一直是一样的而且一天也能保证八小时睡眠。
They usually sleep longer because they're sleeping system is not being taken proper care of.
通常他们睡得更久是因为他们没有恰当的关注睡眠系统的健康。
If you usually sleep in a warmer environment, you should consider cooling down your sleeping environment.
如果你通常睡在一个较暖的环境下，你应该考虑给你的睡眠环境降温。
US researchers studied the brain activity of rats kept awake during the day - the time they would usually sleep.
美国的研究人员进行了一项实验，他们让一种习惯昼伏夜出的小老鼠白天不睡觉，以此来研究它们大脑的活动情况。
He pointed out that as people age and their risk of Alzheimer's increases, they usually sleep for shorter periods.
他指出，随年龄增长，人们得老年痴呆症的危险增加，通常此时他们睡觉时间变短。
Men tend to notice these lines on the forehead since they usually sleep with the face pressed face down on the pillow.
那些喜欢趴着睡觉的男士，则会发现前额出现皱纹。
Studies have suggested that people who usually sleep less than five hours a night have an increased risk of having or developing diabetes.
研究表明，晚上睡眠时间经常不足五个小时的人群患糖尿病的比例更大、几率更高。
Studies shave suggested that people who usually sleep less than five hours a night have an increased risk of having or developing diabetes.
研究表明，晚上睡眠时间经常不足五个小时的人群患糖尿病的比例更大、几率更高。
Snakes can see through their eyelids. This is why they usually sleep in very dark places, but they still tend to sleep with their eyes open.
蛇能透过眼皮看到东西。这就是为什么它们通常会睡在黑暗的地方，不过它们睡觉时通常是睁着眼睛的。 。
Snakes can see through their eyelids. This is why they usually sleep in very dark places, but they still tend to sleep with their eyes open.
蛇能透过眼皮看到东西。这就是为什么它们通常会睡在黑暗的地方，不过它们睡觉时通常是睁着眼睛的。
Impetuous psychological community, making our style of study of university students impetuous, impatient bench, lost and lonely, usually sleep, or even cheating.
社会普遍的浮躁心理，使得我们大学生学风浮躁，坐不住板凳，耐不住寂寞，平时不努力，甚至作弊。
When you are reading this, you might say you usually get six hours of sleep and feel just fine.
当你读这篇文章的时候，你可能会说你通常只睡6个小时还感觉良好。
People who have a greater sense of purpose usually have better physical and mental health, which in turn explains their higher-quality sleep.
目标感更强的人通常身心更加健康，这反过来解释了他们睡眠质量更高的原因。
How long do kids usually spend in attending sleep way camp?
孩子们通常参加多长时间的睡眠方式夏令营？
The winter holiday is usually a good time to sleep in.
寒假通常是睡个懒觉的好时间。
Usually, you must sleep for at least seven to eight hours every day, or you will get dark circles under the eyes.
通常，你必须每天至少睡7-8小时，否则你会有黑眼圈。
Kids usually spend a week in attending sleep-away camp.
孩子们通常要花一个星期的时间外宿露营。
Grown-ups usually need 6-8 hours of sleep to keep active.
成年人通常需要6-8小时的睡眠来保持活力。
It usually happens in the first few hours of sleep in the period called deep sleep.
它通常发生在睡眠的最初几个小时，这个阶段被称为深度睡眠阶段。
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。
Then I learned that the problem was acid reflux, a relatively common condition in which stomach acid comes back up the esophagus and scalds the vocal cords, usually during sleep.
后来我了解到起因是胃酸倒流，这是很多人都会碰到的情况：通常在睡觉的时候，胃酸回流经过食道，烧伤了声带。
It’s a very light sleep, and I usually nap at my desk at home whilst listening to some relaxation music.
它是一个非常浅的觉，并且我经常在家里听着放松的音乐趴在桌子上睡着了。
The breathing disturbance causes brief awakenings, which disrupt sleep but are not usually recalled in the morning.
呼吸停歇导致短暂的醒来，这会影响睡眠，但起床之后往往会忘记。
In addition, of the users in the United States, half sleep with a cell phone or other electronic device nearby, and married couples usually do not share cell phones.
此外，美国的用户中，一半的人睡觉时身边放着手机或其它电子设备，并且，夫妇们通常并不共用手机。
In addition, of the users in the United States, half sleep with a cell phone or other electronic device nearby, and married couples usually do not share cell phones.
此外，美国的用户中，一半的人睡觉时身边放着手机或其它电子设备，并且，夫妇们通常并不共用手机。
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