夜不成眠

yèbù-chéngmián

idiom

Meanings

1 unable to sleep at night
2 to lie awake all night

Characters

achieve / become

Examples

HSK 2

这件事让他夜不成眠。

Zhè jiàn shì ràng tā yèbùchéngmián.

The matter kept him awake at night.

HSK 4

她担心考试，夜不成眠。

Tā dānxīn kǎoshì, yèbùchéngmián.

She was so worried about the exam she couldn't sleep at night.

Tips

usage

Use 夜不成眠 for sleeplessness caused by a specific worry or emotional weight, not for medical insomnia (失眠). The phrase implies a reason.

Stroke Order

夜 yè

不 bù

成 chéng

眠 mián