Hadith 39:27
Jabir reported Allah's Messenger (ﷺ) as saying:
Behold, no person should spend the night with a married woman, but only in case he is married to her or he is her Mahram.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَعَلِيُّ بْنُ حُجْرٍ، قَالَ يَحْيَى أَخْبَرَنَا وَقَالَ ابْنُ حُجْرٍ، حَدَّثَنَا هُشَيْمٌ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، ح
Original Reference: Sahih Muslim 2171