Musnad Ahmad 32:769

Abu Kamil narrated to us, Hammad narrated to us, from Thabit al-Bunani, from Anas, who said: When the Prophet, peace and blessings of Allah be upon him, would go to his bed, he would say: "Praise be to Allah, who fed us and gave us drink, and sufficed us and sheltered us; for how many are there who have no one to suffice them and no one to shelter them."