Musnad Abu Ya'la al-Mawsili 108:124

Zuhayr narrated to us, Jarir narrated to us, from ‘Asim, from al-Sha’bi, from Jabir, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "When the absence of one of you becomes long, let him not come to his family by night (unexpectedly)."