good night in korean

How to Say "Good Night" in Korean (잘 자 / 잘 자요): Casual & Polite

잘 자

jal ja

Quick answer

The most natural way to say good night in Korean is 잘 자 (jal ja) to a friend or 잘 자요 (jal jayo) for a polite version — literally 'sleep well.'

Common forms

RegisterHangulRomanizationNote
casual잘 자jal jaBetween close friends and partners — the everyday night-time send-off.
polite잘 자요jal jayoPolite form; safe with people slightly above your age or not super close.
formal (to elders)안녕히 주무세요annyeonghi jumuseyoHonorific form used to parents, grandparents, or seniors — shows real respect.
sweet / affectionate꿈에서 봐kkume-seo bwaLiterally 'see you in my dreams' — a romantic way to say good night to a partner.

How it changes by relationship

잘 자! 내일 봐!

Jal ja! Naeil bwa!

to a close friend: Often paired with 'see you tomorrow' in texting or late-night calls.

잘 자, 꿈에서 봐.

Jal ja, kkume-seo bwa.

to a romantic partner: Very sweet and common in K-drama texts and phone calls before bed.

안녕히 주무세요.

Annyeonghi jumuseyo.

to a parent or elder: Respectful and expected — saying just 잘 자 to a parent sounds too casual.

굿밤 ✨

gut bam

in a text (casual): 굿밤 (gut bam) is a loanword-style shorthand for 'good night' used in text slang.

Examples

잘 자, 내일 봐!

Jal ja, naeil bwa!

Good night, see you tomorrow!

안녕히 주무세요, 어머니.

Annyeonghi jumuseyo, eomeoni.

Good night, mom.

꿈에서 봐.

Kkume-seo bwa.

See you in my dreams.

Usage note

There's no single Korean phrase that maps exactly to 'good night' as a greeting — 잘 자 literally means 'sleep well,' so it's said when someone is actually about to go to sleep, not as a general evening farewell the way English speakers use it.

Mini quiz

What is the primary Korean phrase for "good night" here?

FAQ

Can I say 안녕 instead of 잘 자 at night?

안녕 is more of a general hello/bye. When someone's going to bed, 잘 자 is more appropriate and natural.

How do I say 'sweet dreams' in Korean?

좋은 꿈 꿔 (joeun kkum kkwo) means 'have a good dream' — a sweet and genuine way to wish someone pleasant dreams.

What does 굿밤 mean?

굿밤 (gut bam) is a casual, text-slang version of 'good night,' borrowed from English sounds. Very informal — only between close friends.

Related Korean words