It is narrated from Sayyiduna Sahl bin Sa'd (may Allah be pleased with him) that a drink was brought to the Messenger of Allah (peace and blessings be upon him). On his right was a boy and on his left were elderly men. He (peace and blessings be upon him) drank from it, then gave it to the boy.
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5927