Hadith 15:439
Abu Bakr narrated to us, he said: Waki’ narrated to us, from ‘Izrah ibn Thabit, from Thumamah ibn ‘Abd Allah, from Anas, that the Messenger of Allah (may Allah bless him and grant him peace) used to breathe three times in the vessel. And he would say: "It is more satisfying, more wholesome, and more healthful."
حدثنا أبو بكر قال حدثنا وكيع عن عزرة بن ثابت عن ثمامة بن عبد الله عن أنس أن رسول الله صلى الله عليه وسلم كان يتنفس في الإناء ثلاثا ويقول هو أهنأ وأمرأ وأبرأ