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