The Book of Drinks (Kitab Al-Ashriba)
Muslim :: Book 23 : Hadith 4976
Thumama (i. e. Ibn Hazn al-Qushairi) reported: I met 'A'isha and asked her about Nabidh (that was served to the Holy Prophet). 'A'isha called an Abyssinian maid (servant) and said: Ask her (about it) for it was he, who prepared the Nabidh for the Messenger of Allah (may peace be upon him). The Abyssinian (maid-servant) said: I prepared Nabidh for him in a waterskin in the night and tied its mouth and then suspended it; and when it was morning he (the Holy Prophet) drank from it.