Difference between to faint and to fall asleep in Korean

기절하다·잠들다

to faint

기절하다to faint

기절하다 means to suddenly pass out and lose consciousness. People use it when someone faints because of heat, pain, shock, sickness, or not eating enough. It is a common everyday word for a person falling unconscious for a short time.

How to say to faint
to fall asleep

잠들다to fall asleep

'To fall asleep' (잠들다) means to begin sleeping. Use it when someone changes from being awake to sleeping. You can use it in everyday situations for people or animals, such as at home, on the bus, or in class.

How to say to fall asleep

The difference

This means to begin sleeping naturally. It is not a sudden medical loss of consciousness.