Mu'adh b. ‘Abdallah. al-Juhani said that a man of Juhaina told him he had heard God’s Messenger reciting "When the earth is shaken”(Al-Qur’an; 99) in both rak'as of the morning prayer, but did not know whether he had forgotten, or whether he recited it on purpose.
Al-Farafisa b. 'Umair al-Hanafi said that he learned Sura Yusuf (Al-Qur’an; 12) simply from the recitation of it by ‘Uthman b. ‘Affan in the morning prayer, owing to the great number of times he repeated it.
Narrated Jabir said that God’s Messenger came out to his companions and recited to them Sura ar-Rahman1 from beginning to end, but they remained silent. He then said:
I have recited it to the jinn on the night they came to me, 2 and they responded better than you. As often as I came to the words, "Then which of the favours of your Lord do you deny?” they replied, "We deny none of Thy favours, O our Lord. To Thee be the praise.”
1. Al-Qur’an; 55.
2. When the Prophet was returning to Mecca after being rejected by the people of at-Ta’if.
Tirmidhi transmitted it and said this is a gharib tradition.