Yonus bin Yazid bin Abi al-Nijad يونس بن يزيد بن أبي النجاد · Chapters on Drinks

“I used to prepare three covered vessels for the Messenger of Allah (ﷺ) at night: A vessel for his water for purification, a vessel for his tooth stick and a vessel for his drink.”

“When anyone of you drinks, let him not breathe into the vessel. If he wants to continue drinking, let him move the vessel away (in order to breathe) then bring it back, if he wants.”