熟睡

睡着 shuìzháo HSK 4 #2,905

to fall asleep / to be asleep

睡眠 shuìmián HSK 5 #4,994

sleep (as a noun)

睡觉 shuìjiào HSK 1 #780

to go to bed; to sleep

睡 shuì HSK 1 #425

to sleep

睡梦 shuìmèng #13,476

sleep; slumber; a dream during sleep

沉睡 chénshuì #10,487

to be fast asleep / to be in a deep sleep / to lie dormant

睡衣 shuìyī #5,141

pajamas / sleepwear / nightclothes

入睡 rùshuì #6,738

to fall asleep

熟 shú HSK 2 #2,621

ripe; cooked / familiar / skilled

熟悉 shúxī HSK 5 #2,056

to be familiar with; to know well / familiar; well-acquainted