瞌睡虫

kē shuì chóng

mythological insect that makes people doze off

(fig.) drowsiness; (coll.) person who loves sleeping; sleepaholic

瞌

kē

used in 瞌睡[ke1 shui4]

睡

shuì

to sleep

虫

chóng

lower form of animal life, including insects, insect larvae, worms and similar creatures