Sunan Ibn Majah, Book 6, Hadith 1589 (In-Book) ⓘ
It was narrated from Jabir bin ‘Abdullah that the Prophet said: “Offer the funeral prayer for your dead by night or by day.”
حَدَّثَنَا الْعَبَّاسُ بْنُ عُثْمَانَ الدِّمَشْقِيُّ، حَدَّثَنَا الْوَلِيدُ بْنُ مُسْلِمٍ، عَنِ ابْنِ لَهِيعَةَ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، أَنَّ النَّبِيَّ ـ صلى الله عليه وسلم ـ قَالَ " صَلُّوا عَلَى مَوْتَاكُمْ بِاللَّيْلِ وَالنَّهَارِ " .
also referenced under: Hadith 1522 (Reference) & Volume 2, Book 6, Hadith 1522 (DarusSalam)