Sahih Muslim 2084
Sahih Muslim · Book 37: The Book of Clothes and Adornment · It Is Disliked To Have More Furniture And Bedding Than One Needs
Jabir b. 'Abdullah reported that Allah's Messengor (ﷺ) said:
حَدَّثَنِي أَبُو الطَّاهِرِ، أَحْمَدُ بْنُ عَمْرِو بْنِ سَرْحٍ أَخْبَرَنَا ابْنُ وَهْبٍ ، حَدَّثَنِي أَبُو هَانِئٍ ، أَنَّهُ سَمِعَ أَبَا عَبْدِ الرَّحْمَنِ ، يَقُولُ عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ لَهُ " فِرَاشٌ لِلرَّجُلِ وَفِرَاشٌ لاِمْرَأَتِهِ وَالثَّالِثُ لِلضَّيْفِ وَالرَّابِعُ لِلشَّيْطَانِ " .
There should be a bedding for a man. a bedding for his wife and the third one for the guest, and the fourth one is for the Satan.