Sunan an-Nasa'i 1259

Suwayd ibn Nasr informed us; he said: ‘Abd Allah informed us, from Abu Bakr al-Nahshali, from ‘Abd al-Rahman ibn al-Aswad, from his father, from ‘Abd Allah, that the Messenger of Allah (ﷺ) prayed one of the two afternoon prayers for five rak‘ahs. He was asked: “Has something been added to the prayer?” He said: “What is that?” They said: “You prayed five.” He said: “I am only a human being; I forget just as you forget, and I remember just as you remember.” Then he prostrated twice and concluded the prayer.