The liver governs anger, which enlightens the eyes, so anger also hurts the liver. After 11 p.m., it is the critical period for the liver to repair itself. Staying up late will make the liver tired or even damaged.
怒伤肝
肝主怒,开窍于目,因此怒也伤肝。晚上11点后是肝脏自我修复的关键期,熬夜会让肝脏疲惫甚至受损。