Abdullah bin Abi Bakr bin Muh. b. 'Amr عبد الله بن أبي بكر بن محمد بن عمرو · Chapters on Drinks

It was narrated from Anas that he used to drink from a vessel in three draughts, and Anas said that the Messenger of Allah (ﷺ) used to drink from a vessel in three draughts.

It was narrated from Ibn ‘Abbas that the Prophet (ﷺ) drank, and took two breaths while doing so.