昏睡 Traditional form: 昏睡 Pinyin (reading): hūnshuì Definitions: to sleep heavily (due to illness, fatigue etc) Characters: 昏 - dusk, nightfall, twilight, dark; to faint, to lose consciousness 睡 - to sleep, to doze Traditional characters: 昏 - dusk, nightfall, twilight, dark; to faint, to lose consciousness 睡 - to sleep, to doze