Senses
瞌睡虫/ 瞌睡蟲 mythological insect
A mythological insect said to cause people to doze off
瞌睡虫/ 瞌睡蟲 sleepyhead
(informal) A person who is often sleepy or dozes off, often used teasingly.
瞌睡虫/ 瞌睡蟲 drowsiness
A state of feeling sleepy; drowsiness