안 잤어

didn't sleep

→ 안
phrase Rare #29,762
didn't sleep Casual speech; the subject is usually understood from context.
KO: 어제는 안 잤어.
EN: I didn't sleep yesterday.

사실 안 잤어

Actually, I didn't sleep.

— 영원 (2025)

안 잤어

You haven't slept.

— 파이트 클럽 (1999)

괜찮아, 안 잤어

It's okay, I wasn't asleep.

— 눈 깜짝할 사이에 (2026)

왜 안 잤어?

Why didn't you sleep?

— 스테이션 7 (2017)