Musnad Ahmad 5:760

Abdullah narrated to us, Abu Bakr ibn Abi Shaybah narrated to me, Ali ibn Mushir narrated to us, and Rawh ibn Abd al-Mu'min narrated to me, Abd al-Wahid ibn Ziyad narrated to us, 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, may Allah bless him and grant him peace, said: "O Allah, bless my nation in its early morning."