Anas (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) used to breathe three times in the course of a drink (he used to drink in three gulps).[Al-Bukhari and Muslim]. (RU)
App reference (RU): Book 3, Hadith 30 (RU)
Arabic/English book reference (RU): Book 3, Hadith 757 (RU)