Bad Dreams, Nightmares, and Night Terrors: Know the Difference
bad dream is very general. A bad dream only makes you feel bad for a short period of time.any dream you dont like or enjoy is a bad dream.壹個不好的夢是普通的做夢而已，是妳不喜歡的和不享受的，只會讓妳在短時間內有不好的感覺的夢。?
A nightmare is usually a scary dream, like a horror film ，nightmare can trouble you for months or even years. ?噩夢會經常做的夢，讓妳驚恐，像恐怖片壹樣，噩夢會困擾妳數月甚至數年之久。