Why can't you whistle at night in Korea?
Why can't you whistle at night in Korea? Whistling at night summons spirits While whistling is often associated with feelings of happiness, it is highly discouraged in South Korea, at least after the sun goes down. In fact, it has long been believed that whistling at night can summon spirits, ghosts, demons and other unearthly creatures.
Is it bad to whistle in Korea?
8. Don't whistle at night. Whistling in the street at night, apart from possibly disturbing other people, should not be done for another reason. It would be a call to evil spirits and therefore, if you do not want to be haunted, you should avoid whistling.