Mishkat al-Masabih #1615

‘Urwa b. az-Zubair said there were two men in Medina, one of whom made a niche when digging a grave, the other of whom did not. The people said that the one who came first should do as he was accustomed to do, and the one who made a niche came and made one for God’s messenger. transmitted it in Sharh as-sunna.