From him, from Mu'awiyah ibn Hakim, from Muhammad ibn Ali ibn Faddal, from Abu al-Hasan عليه السلام, peace be upon him, who said: I said to Imam عليه السلام: “I prostrate with the imam (of prayer) and I raise my head before him, should I repeat the prayer?” Imam عليه السلام said: “Repeat (the prayer) and prostrate.”