wakefulness

英

美

n.  觉醒；不眠

医学

BNC.26657 / COCA.24049

柯林斯词典

• ADJ-GRADED 难以入睡的;失眠的;睡眠轻的
  Someone who iswakefulfinds it difficult to get to sleep and wakes up very often when they should be sleeping.
  1. Wakeful babies will often continue to need little sleep as they grow older.
     通常睡眠轻的婴儿长大后仍然只需要较少的睡眠。

英英释义

noun

• a periodic state during which you are conscious and aware of the world
  1. consciousness during wakefulness in a sane person is pretty well ordered and familiar
• the process of paying close and continuous attention
  1. wakefulness, watchfulness, and bellicosity make a good hunter
  2. vigilance is especially susceptible to fatigue
  Synonym:watchfulnessvigilancealertness
• a temporary state in which you are unable (or unwilling) to sleep
  1. accept your wakefulness and sleep in its own contrary way is more likely to come
  Synonym:sleeplessness

双语例句

• The insomniac is habitually afflicted with wakefulness at times when he wishes to sleep.
  失眠症患者，这种病人在他想睡觉时经常特别清醒。
• A neurotransmitter associated with voluntary movement, sleep and wakefulness.
  一种神经递质与自主运动、睡眠有关。
• They were tested hourly for either wakefulness or motor skills.
  每隔一小时，科学家们都会测试他们是否清醒、操作技能如何。
• Through generations, stress has effectively enhanced human survival because of its specific traits that jog your wakefulness and develop bodily functions.
  代代相传，压力有效的加强了人类的生存能力，因为其特殊的特性能慢慢推动你的觉醒和增强身体机能。
• It regulates arousal, wakefulness, and appetite.
  它能调节你的觉醒状态和胃口。
• Sleep interrupts wakefulness, and sleep itself is interrupted by dreams and nightmares.
  睡眠中断清醒，而睡眠本身又被美梦和噩梦所搅扰。
• Sleeping longer than you need to will weaken your sleep system, as you reduce your prior wakefulness, exposure to sunlight, activity levels, and your body temperature at a low for too long.
  睡得比你所需应该睡的时间长了会减弱你的睡眠系统，当你降低了你先前的觉醒度，暴露于阳光中，你的活动水平和你的身体体温都处于低水平太久。
• He raised his head, and the cold, bitter reality jarred him into wakefulness.
  他抬起头来，这个冷酷、痛苦的现实，使他猛地清醒了。
• Researchers have theorized that sleep may restore some chemical that is drained during periods of wakefulness.
  一些研究人员提出的理论认为，睡眠可以恢复人在不睡觉时失去的某些化学物质。
• Protein in meals stimulates wakefulness while carbohydrates promote sleep.
  食物中的蛋白质使人兴奋，而碳水化合物使人易于入睡。