Hadith #4782 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): 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
Grade: 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.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4782/