Nearly every driver has experienced that feeling of great tiredness, where it becomes almost impossible to stay awake at the wheel.
几乎每个司机都经历过那种极度疲劳的感觉，在那种情况下开车几乎不可能保持清醒。
Scare compelled me to stay awake. Night was so long with the sun's laggardly pace.
恐惧让我彻夜难眠，明天的太阳总是来得太晚。
To stay awake, plan to eat larger meals than normal and to eat them more frequently.
想保持清醒，就要比平时多吃点儿，并多几次摄入。
Why would you want to stay awake when your partner has already decided to go to bed?
为什么爱人已经决定去睡觉了你却还不想睡呢？
I, on the other hand, was tired and needed to drink coffee, tea, or water to stay awake.
与他不一样，我需要喝点咖啡、茶或水，以保持清醒。
There's no sense of straining to stay awake or to stave off sleep. I'm simply not sleepy.
并没有那种持续的竭力保持清醒，从而延缓睡觉的感觉，我根本就没有睡意。
I mean, we're in the car, we're fighting traffic... basically just trying to stay awake.
我们在车上奋力杀出车阵只是拼命让自己别睡着。
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。
She was sitting up late, waiting for Pa, and Laura and Mary meant to stay awake, too, till he came.
劳拉和玛莉原也想等爸爸回来再睡，但最后还是睡着了。
If you go out to a restaurant and eat a three-course meal, you'll struggle to stay awake later in the day.
如果你外出去饭店吃一顿三道菜的饭，在之后的时间段你依然会有能量保持清醒。
Keep the radio playing, roll the window down, or play a road trip game to stay awake if you find yourself tired.
如果你发现你累了，就把收音机打开，把车窗摇下，或者玩一个游戏，来保持清醒。
Then, at 2 p.m., the nap group was given the chance for a 90-minute siesta; the no-nap group was asked to stay awake.
然后，在下午2时，午睡组给予90分钟的午休机会，无午睡组被研究人员要求保持清醒。
Some were given the words at night (played via an audio recording), then required to stay awake until morning in the lab.
一些志愿者通过音频录音在夜间接受单词，然后他们必须一直保持清醒状态直到早上来实验室接受测试。
If you generally rely on stimulants to stay awake or be more alert, try to change a few daily activities and get a natural boost.
如果你是倚赖兴奋剂去保持清醒或者保持敏捷，那么试着去做一些日常活动，开始一个自然的提升。
But many people fail to note the distinction between fatigue physical tiredness and sleepiness, the inability to stay awake.
但很多人都未注意到疲倦(身体上的劳累)和困倦(无法保持清醒状态)之间的区别。
But many people fail to note the distinction between fatigue — physical tiredness — and sleepiness, the inability to stay awake.
但很多人都未注意到疲倦(身体上的劳累)和困倦(无法保持清醒状态)之间的区别。
Junior employees tend to want to stay awake all day and be seen as energetic, and workers on assembly lines can't just nod off.
初级职员往往想整天保持清醒，希望被看作充满活力，而生产线上的工人根本没法打盹。
Therefore, the body undergoes some change that allows it to counter its homeostatic need for sleep and to stay awake to avoid danger.
因此，机体一定是做了某些改变使其克服了对睡眠的平衡需求，并保持清醒以逃避危险。
Word about the berries spread quickly , and soon monks were eating them wrapped in animal fat to stay awake during long prayer sessions.
很快一传十、 十传百，不久后连僧侣也用动物油裹上这种小浆果来吃，以便在长时间的祈祷仪式里保持清醒。
When scientists genetically engineered mice to express this gene. they were able to stay awake for an extra of 1.2 hours than normal mice.
当科学家修改老鼠基因使其表达这一特性后，这种老鼠可比普通老鼠多清醒1.2小时。
The first to suffer as a result of this is Luke himself: he has developed a chronic cough that often forces him to stay awake entire nights.
第一个受苦的就是Luke自己：他会得慢性咳嗽，整夜无法入眠。
"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。”
With biology beckoning their bodies to sleep during the night, shift workers say they struggle to stay awake no matter how many years they've done it.
由于生物体本身的习性就是在晚上睡觉，很多曾经上过夜班的人称：不论他们曾经作过多长时间的夜间工作，现在他们总是很难保持清醒。
Because the cave fish may not need less sleep-they may need to stay awake to forage more in an environment where food can be scarce and appear unpredictably.
因为穴居鱼可能并不需要睡得更少——它们可能需要保持清醒，以便更经常地在食物短缺和食物不常出现的环境中觅食。
Because the cave fish may not need less sleep-they may need to stay awake to forage more in an environment where food can be scarce and appear unpredictably.
因为穴居鱼可能并不需要睡得更少——它们可能需要保持清醒，以便更经常地在食物短缺和食物不常出现的环境中觅食。
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