sleepless

'sli:plis

Collins 1

s experiencing or accompanied by sleeplessness
s always watchful

a. 不睡眠的, 睡不着的, 不休息的

Collins 星级

14,470

BNC 频率

14,593

使用频率

sleepless 由词根 sleep（睡觉）和后缀 -less（没有）组成，表示没有睡觉的状态，即“失眠的”或“无眠的”。

例句

1. I had a sleepless night because of the loud noise outside.

我因为外面的噪音而辗转反侧，没能入睡。

2. After drinking coffee too late, I often feel sleepless.

喝了太晚的咖啡后，我常常感到失眠。

3. She was sleepless with worry about her upcoming exam.

她因即将到来的考试而忧虑，彻夜未眠。