wakefulness

n. a periodic state during which you are conscious and aware of the world
n. a temporary state in which you are unable (or unwilling) to sleep

[医] 不眠症, 失眠

26,657

BNC 频率

24,049

使用频率

wakefulness 由词根 wake（醒）和后缀 -fulness（充满…的状态）组成，表示“充满清醒状态”。

例句

1. She struggled with wakefulness during the long night shift.

她在漫长的夜班中 struggled with wakefulness。

2. The caffeine in coffee can help improve wakefulness.

咖啡中的咖啡因可以帮助提高清醒度。

3. After a good night’s sleep, I felt a sense of wakefulness in the morning.

睡了一个好觉后，我在早晨感到一种清醒的感觉。