睡眠

shuìmián

noun HSK 5 #4,994

Meanings

Two characters both meaning sleep - the formal/medical term for sleep.

HSK 4

他最近睡眠质量不好。

Tā zuìjìn shuìmián zhìliàng bùhǎo.

His sleep quality has been poor recently.

HSK 4

每天要保证八小时的睡眠。

Měitiān yào bǎozhèng bā xiǎoshí de shuìmián.

You should ensure eight hours of sleep every day.

HSK 6

失眠是一种常见的睡眠障碍。

Shīmián shì yī zhǒng chángjiàn de shuìmián zhàng'ài.

Insomnia is a common sleep disorder.

usage

睡眠 is the formal/medical noun for 'sleep.' In casual speech, just use 睡觉. 睡眠质量 and 睡眠不足 are very common compounds.

usage

失眠 = insomnia. 冬眠 = hibernation. 安眠药 = sleeping pill.

睡 shuì

眠 mián