For humans, including babies, light signals the time to awake and long, restful sleep occurs in the dark.
对人类来说，包括宝宝，光会刺激大脑，提示是醒来的时间了，而优质睡眠通常都发生在黑天的时候。
Following the planned time will ensure you have enough sleep to get to those early classes and stay wide awake.
按照计划时间睡觉，将确保你能得到充足睡眠后去上早课，保持清醒。
That may mean sleeping right away or forcing yourself to stay awake – whatever the time change requires.
那或许意味着根据时间差的要求，你要马上睡觉或强制自己保持清醒。
"It was very difficult to stay awake, extremely difficult," he said recalling his time on the overnight shift when he was usually the only one on duty.
想到曾经独自一个人值夜班时他说：“我觉得很难保持清醒，非常非常难。”
The problem arises when you use stimulants to stay awake studying for long periods of time. You may have trouble digesting the information you need to absorb.
问题在于当你使用兴奋剂来使自己保持清醒以学习更长时间时，你可能无法消化你所需要吸收的知识或信息。
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。
In fact there is some evidence that in lucid dreams, at least, the perception of time in similar to that when the dreamer is awake.
实际上，至少在清醒梦中研究者们已经发现了一些证据，当做梦者处于意识清醒状态时，对时间的认知的确会发生类似的变化。
People are better able to recall lists of related words and the connections between them after a night's sleep than after the same time spent awake during the day.
经过一夜睡眠后的人能比经过相同的白天清醒时间能更好地回忆起一系列的有关语句和它们之间的联系。
White as snow, red as blood, and black as ebony; this time the dwarfs will not be able to awake thee.
像雪一样白，像血一样红，像乌木一样黑；这次矮人们没有办法弄醒你了。
Stretching the argument, perhaps; but an interesting thought to ponder next time you lie awake in a soulless box near the airport.
也许对这个观点你会有自己的看法；下次当你在机场附近的酒店里，从疲惫中苏醒过来时，琢磨一下它，会觉得还挺有趣的。
Staff kept them awake for the entire time, regularly asking them to assess how sleepy they felt.
工作人员让他们一直保持清醒，并有规律地要求他们评估犯困的感觉。
Large doses of carbs, sugar, and caffeine might keep you awake for a short time, but they will eventually lead to a "crash," and have the opposite effect.
大剂量的碳水化合物、糖和咖啡因会让你清醒一段时间，但是他们最终将导致一个觧“重磅睡眠”，产生相反的效果。
Usually I go jogging four times a week, and I always go in the morning because for me it's the best time to exercise because it keeps me awake all day, but at the moment I don't do any other exercise.
一般来说，一周里有四天我会慢跑，我通常会在早上慢跑，因为我认为早上是锻炼的最佳时间，可以让我一整天保持清醒，除了慢跑我没有做其他的运动。
Even if it takes a little while to fall back asleep, the restful time awake will help to balance and replenish your body.
即使再睡着需要花点时间，醒着时充分休息的时光也会帮助平衡身体并重注精力。
Then it's time for your alarm to go off, and you've been awake half the night.
不知不觉，也到了闹钟该响的时候，半个晚上你都处于清醒状态。
White as snow, red as blood, and black as ebony ; this time the dwarfs will not be able to awake thee.
像雪一样白，像血一样红，像乌木一样黑；这次矮人们没有办法弄醒你了。
"We are all aware of our body language when we are awake but this is the first time we have been able to see what our subconscious posture says about us, " Idzikowski said.
“当我们醒着的时候，我们都知道自己的肢体语言，但能够明白我们潜意识姿态告诉我们什么东西还是第一次”，Idzikowski说，”有趣的是，这些姿势隐含的信息经常和我们期望的不一样“，这项研究还涉及到睡眠的姿势与一些健康杀手的关系。
No one wants to participate in meetings that they feel are a waste of their time, so get their support in making sure that everyone is engaged, attentive, and, at the very least, awake.
没有人想要参与浪费时间的会议，因此，争取他们的支持，确保每个人都投入、专注，至少不要打瞌睡。
She may seldom be awake for longer than 25 to 30 minutes at a time.
她可能很少保持清醒的时间超过25至30分钟一次。
By the time I've done that, and flushed the toilet and washed my hands and looked at my ugly mug in the mirror, I'm awake enough to face the day.
当我做完这些，然后冲完厕所，洗完手，在镜子里看到我丑陋的脸时，我就足够清醒去面对新的一天了。
People who experience microsleeps usually remain unaware of them, instead believing themselves to have been awake the whole time, or to have temporarily lost focus.
经历过微睡眠状况的人通常都对此毫不察觉，他们以为自己一直处于清醒状态，或者认为自己只是偶尔走神了。
Objective: To observe the hemodynamics, consciousness and awake time of sufentanil and propofol TCI anesthesia in agedness over 65 years.
目的：观察舒芬尼、丙泊酚靶控输注（TCI）麻醉对65岁 以上高龄人群血流动力学、意识和苏醒时间的影响。
I think I wasn't exactly awake last time I did this. You have to be in the right state of mind. Sometimes it's hard to remember nighttime thoughts during the day.
我想我最后一次做这个时候没有完全醒来。你必须保持正确的精神状态。有时候在白天很难记住晚上的想法。
People who can't sleep tend to keep checking the time, which only heightens their anxiety about being awake.
睡不着觉的人常常会看时间，而这只会加剧他们对睡不着觉的焦虑。
In fact, you could dedicate those quiet hours to working on something valuable while the rest of the time (when your family is awake) you can finish less valuable tasks.
事实上，你可以花些安静的时间去做那些更有价值的工作，而用剩下的时间(你的家人还醒着的时候)做一些不那么有价值的任务。
If older people believe that they need more sleep than they can achieve even when they spend extra time in bed, then they may complain of insomnia: being awake when wanting to be asleep.
她还说：“如果老年人相信比起他们用更多的时间用于睡觉可以达到睡眠时间，他们需要更多的睡眠，那么他们可能会抱怨自己失眠：想睡觉却睡不着。”
There is a certain time of night, after children have been put to bed and husbands have begun snoring, that women lie awake and think of the secrets they've been keeping from their friends.
晚上，总有些时候，在孩子们上床睡觉之后，老公鼾声雷动之时，女人们仍然无法入睡，她们在想着不为人知的秘密。
There is a certain time of night, after children have been put to bed and husbands have begun snoring, that women lie awake and think of the secrets they've been keeping from their friends.
晚上，总有些时候，在孩子们上床睡觉之后，老公鼾声雷动之时，女人们仍然无法入睡，她们在想着不为人知的秘密。
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