The most common Korean word for “lie down” is 눕다 (nupda). 「lie down」는 한국어로 눕다.
Learn 눕다 free — flashcards, audio and review →「눕다」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato