We’ll explore important Korean vocabulary related to sleep, along with example sentences to help you understand how to use them in real-life situations. 1. Basic Sleep-Related Words - 잠 [jam] : Sleepex. 잠이 부족하면 피곤해요. [Jami bujokhamyeon pigonhaeyo.] : If you don’t get enough sleep, you feel tired. - 수면 [sumyeon] – Sleep (formal/medical term) ex. 좋은 수면 습관이 중요해요. [Joeun sumyeon seupgwani jungyoh..