Musannaf Ibn Abi Shayba 3:2004

4381. Abdullah ibn Idris narrated to us, from Ubaydullah ibn Abi Ziyad, who said: I said to Sa’id ibn Jubayr, "I recited the prostration (verse) while I was prostrating; should I prostrate?" He said, "No, and you did not recite while you were prostrating."