Allah's Messenger (ﷺ) went to Fatima's house but did not find `Ali there. So he asked, "Where is yourcousin?" She replied, "There was something between us and he got angry with me and went out. Hedid not sleep (midday nap) in the house." Allah's Messenger (ﷺ) asked a person to look for him. That personcame and said, "O Allah's Messenger (ﷺ)! He (Ali) is sleeping in the mosque." Allah's Messenger (ﷺ) went thereand `Ali was lying. His upper body cover had fallen down to one side of his body and he was coveredwith dust. Allah's Messenger (ﷺ) started cleaning the dust from him saying: "Get up! O Aba Turab. Get up!O Aba Turab (literally means: O father of dust).