When to use sleep in Korean
Korean: 수면[ su-myeon ]

When to use it
Sleep (수면) means the time when your body and mind rest at night or during a nap. It is often used when talking about health, rest, or sleep time. You can see it in simple phrases like “enough sleep” or “sleep is important.”
Example sentences
충분한 수면이 필요해요.
I need enough sleep.
학생들에게 수면 시간은 중요해요.
Sleep time is important for students.
어젯밤에 수면이 부족했어요.
I did not get enough sleep last night.
아기는 지금 수면 중이에요.
The baby is sleeping now.
여행 전에 수면을 많이 취했어요.
I got a lot of sleep before the trip.
이 베개는 편안한 수면에 좋아요.
This pillow is good for comfortable sleep.