Musannaf Ibn Abi Shayba 3:3977

Yazid ibn Harun narrated to us, from Yahya ibn Sa'id, from Muhammad ibn 'Abd al-Rahman, from his mother 'Amrah, from 'Aishah, who said: The Messenger of Allah (may Allah bless him and grant him peace) used to pray the two rak'ahs before the dawn, and he would lighten them so much that I would say: "Did he recite the Mother of the Book (Al-Fatiha) in them?"