Musnad Abu Ya'la al-Mawsili 250:8

Ammar Abu Yasir narrated to us, Hisham bin Ziyad Abu al-Miqdam narrated to us, he said: My father narrated to me, from Yusuf bin Abdullah bin Salam, from his father, that the Prophet (peace and blessings of Allah be upon him) said: "O Allah, bless my nation in its early morning."