It was narrated that Sulaiman - the freed slave of Maimunah - said: "I saw Ibn 'Umar sitting in Al-Balat when the people were praying. I said: '0 Abu 'Abdur- Rahman, why are you not praying?' He said: 'I have already prayed, and I heard the Messenger of Allah (ﷺ) say: "Do not repeat a prayer twice in one day."