Riyad as-Salihin, Book 3, Hadith 757 (In-Book) ⓘ
Anas (May Allah be pleased with him) reported: Messenger of Allah used to breathe three times in the course of a drink (he used to drink in three gulps). [Al-Bukhari and Muslim].
عن أنس رضى الله عنه أن رسول الله صلى الله عليه وسلم كان يتنفس في الشراب ثلاثاً.