寢 qǐn

to die of old age; to die in one's bed at a ripe old age

to sleep peacefully

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

bedding

dormitory; bedroom

bed of straw and pillow of clay (idiom)

fig. extremely worried and troubled

to go to sleep; to go to bed (literary)

bedtime

to neglect sleep and forget about food (idiom)

see 废寝忘食fèi qǐn wàng shí

to neglect sleep and food

see 废寝忘食fèi qǐn wàng shí

to keep ready for battle at all times

tomb (of king or emperor)

hate deeply; vow deadly revenge