Sahih Muslim
The Book of Drinks (Kitab Al-Ashriba)
Book Number: 023 / Hadith Number: 4972
Ibn 'Abbas reported that Nabidh was prepared for Allah's Messenger (may peace be upon him) in the waterskin, Shu'ba said: It was the night of Monday. He drank it on Monday and on Tuesday up to the afternoon, and If anything was left out of it he gave it to his servant or poured it out.