1、So-called hypnagogic hallucinations occurduring the transition from wakefulness to sleep.
在從清醒狀態(tài)轉(zhuǎn)入睡眠狀態(tài)（就在我們的腦袋挨到枕頭上之后），會(huì)出現(xiàn)所謂的睡前幻覺。

2、The insomniac is habitually afflicted with wakefulness at times when he wishes to sleep.
失眠癥患者，這種病人在他想睡覺時(shí)經(jīng)常特別清醒。

3、Wakefulness is often the result of bad sleep habits.
睡不著往往是來(lái)源于不良的睡眠的習(xí)慣。

4、Wakefulness can be observed and measured using an EKG machine that picks up brain wave activity.
覺醒能夠通過(guò)使用了解腦波活動(dòng)的心電圖機(jī)器進(jìn)行觀察和測(cè)量。

5、The feeling one has for his lover during wakefulness may be blotted out or intensified by sleep.
一個(gè)人在清醒時(shí)對(duì)其愛人的感情也許為睡眠所抹掉或者在酣睡之中變得更加濃烈了。

6、They were tested hourly for either wakefulness or motor skills.
每隔一小時(shí)，科學(xué)家們都會(huì)測(cè)試他們是否清醒、操作技能如何。

wakefulness翻譯