Musnad Ahmad 5:769

Abdullah narrated to us, Rawh ibn al-Mu'min al-Muqri' narrated to me, 'Abd al-Wahid ibn Ziyad narrated to us, and 'Abbad ibn Ya'qub al-Asadi narrated to me, Ibn Fudayl narrated to us, all of them from 'Abd al-Rahman ibn Ishaq, from al-Nu'man ibn Sa'd, from Ali, may Allah be pleased with him, who said: The Messenger of Allah, peace and blessings of Allah be upon him, said: "O Allah, bless my nation in its early morning."