Hadith #4782General Behavior (Kitab Al-Adab) · Narrated by Abdullah bin Bhyr عبد الله بن بحير, Abu Thaur al-Kalbi إبراهيم بن خالد أبو ثور الكلبي, Bakr bin Khlf al-Basri بكر بن خلف البصري, Hassan ibn Ali bin Abi Talib · Sahih
The Messenger of Allah (ﷺ) said to us: When one of you becomes angry while standing, he should sit down. If the anger leaves him, well and good; otherwise he should lie down.