The Prophet ﷺ would not in our quilts. Hammad said: I heard Sa'id b. Abi Sadaqah say: I asked Muhammad (b. Sirin) about it. He did not narrate it to me, but said: I heard it a long time ago and I do not know whom I heard it. I do not know whether I heard it from a trustworthy person or not. Make an inquiry about it. (Using translation from Abū Dāʾūd 368)
النَّبِيَّ ﷺ كَانَ لَا يُصَلِّي فِي مَلَاحِفِنَا قَالَ حَمَّادٌ وَسَمِعْتُ سَعِيدَ بْنَ أَبِي صَدَقَةَ قَالَ سَأَلْتُ مُحَمَّدًا عَنْهُ فَلَمْ يُحَدِّثْنِي وَقَالَ سَمِعْتُهُ مُنْذُ زَمَانٍ لَا أَدْرِي مِمَّنْ سَمِعْتُهُ وَلَا أَدْرِي سَمِعْتُهُ مِنْ ثَبَتٍ أَوْ لَا فَاسْأَلُوا عَنْهُ