어느새

어느새 + change/result: 어느새 잠들었어요

before one knows it, without noticing, already

Example

영화를 보다가 어느새 잠이 들었어요.

While watching the movie, I fell asleep without realizing it.

Word parts

어느 'which' + 새 (short for 사이 'interval').

Related words