Musnad Abu Ya'la al-Mawsili 108:176

Zuhayr narrated to us, Muhammad narrated to us, al-A'mash narrated to us, from Abu Sufyan, from Jabir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "When one of you completes the prayer in his mosque, let him assign a portion of his prayer to his house, for Allah will place goodness in his house from his prayer."