入睡抽动

入睡抽動
rùshuìchōudòng

hypnic jerk

Wiktionary

Entry Composition

1 入睡 rùshuì to fall asleep
2 抽动 chōudòng
  1. to twitch
  2. to throb
  3. a spasm
  4. to divert (money) to other uses