Korean Dictionary
How to say "Sleep regression" in Korean
“Sleep regression” in Korean is 수면 퇴행 (pronounced "Sumeol toehang").
수면 퇴행
Sumeol toehang
Usage & Context
A temporary period when a child who was sleeping well suddenly has sleep problems. Sleep regression is a normal part of child development.
Example Sentence
수면 퇴행은 발달 과정의 일부입니다.
Sleep regression is part of development.
How to use 수면 퇴행 naturally
Quick answer
The Korean word for “Sleep regression” is 수면 퇴행, romanized as Sumeol toehang.
Usage tip
Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 수면 퇴행.
Pronunciation Guide
수면 (su-myeon) sounds like 'soo' in 'soon' and 'myun' as in 'Myanmar'. 퇴행 (toe-haeng) sounds like 'toe' on your foot and 'hang' in 'hanger'. The stress is fairly even.
More Example Sentences
A parent identifying the cause of their baby's changed sleep.
아기가 갑자기 밤에 자주 깨서 찾아보니 수면 퇴행이래요.
The baby suddenly started waking up often at night, and I looked it up, it's sleep regression.
Empathizing with the challenges parents face during sleep regression.
수면 퇴행 시기에는 부모도 많이 힘들어요.
During sleep regression periods, parents also have a very hard time.
A parent describing their current struggle with their child's sleep.
돌아기 수면 퇴행 때문에 밤에 잠을 못 자고 있어요.
I can't sleep at night because of my one-year-old's sleep regression.
Cultural Context
'수면 퇴행' is a relatively modern term in Korean parenting, gaining recognition as more parents research child development. It's frequently discussed in online parenting communities and blogs, where parents share experiences and seek reassurance that it's a normal, temporary phase. Understanding this concept helps parents cope with challenging periods when their child's sleep patterns suddenly worsen, providing validation and reducing self-blame.
Editorial note
We review entries like 수면 퇴행 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
수면 퇴행 언제 끝나나요?
When does sleep regression end?
수면 퇴행 극복
overcoming sleep regression
아기 잠이 변했어요.
Baby's sleep has changed.
Related Expressions
성장통
seongjangtong
growing pains (metaphorically for developmental challenges)
발달 단계
baldal dangye
developmental stage
잠투정
jamtujeong
fussiness before sleep
수면 패턴
sumyeon paeteon
sleep pattern
More Parenting & Family Life Words
Master Korean with AI-Powered Learning
Practice Sleep regression and 10,000+ words with native pronunciation and AI conversation.
