the Messenger of Allah drank from the water of Zamzam while standing.
Sunan an-Nasa'i Book 24, Hadith 347
← Previous Hadith "And take you the Maqam (place) of Ihrahim as a place of prayer." Then he prayed two Rakahs reciting the Opening of the Book (Al-Fatihah) said: "Say: O you disbelievers" and "Say: He is Allah, (the) One." Then he went back to the Corner and touched it, then he went out to As-Safa.

Sunan an-Nasa'i Book 24, Hadith 346 Next Hadith → "I gave the Messenger of Allah some Zamzam to drink and he drank it while standing.

Sunan an-Nasa'i Book 24, Hadith 348