Why Koreans categorically avoid sweeping at night at home (and what it really means)

Sweeping your home: it is a practical chore, often a reflex of order or cleanliness. Well, you think? In some cultures, however, this simple brush stroke is accompanied by some superstitions... This is the case in Korea, where it is rather not advisable to pass the broom once the sun is set. And for reasons: this evening gesture would carry bad luck.