寝

安寝

ān qǐn

to sleep peacefully

陵寝

líng qǐn

tomb (of king or emperor)

食肉寝皮

shí ròu qǐn pí

to eat sb's flesh and sleep on their hide (idiom); to swear revenge on sb

寿终正寝

shòu zhōng zhèng qǐn

to die of old age

宰予昼寝

zǎi yǔ zhòu qǐn

Zai Yu sleeps by day (idiom); refers to story in Analects of Confucius remonstrating bitterly with his student for sleeping during lectures

寝具

qǐn jù

bedding

寝室

qǐn shì

bedroom

寝苫枕块

qǐn shān zhěn kuài

bed of straw and pillow of clay (idiom)

寝食难安

qǐn shí nán ān

lit. cannot rest or eat in peace (idiom)

就寝

jiù qǐn

to go to sleep

废寝忘食

fèi qǐn wàng shí

(idiom) to skip one's sleep and meals; to be completely wrapped up in one's work

废寝忘餐

fèi qǐn wàng cān

see 廢寢忘食|废寝忘食[fei4 qin3 wang4 shi2]