عَنْ هِشَامٍ ، قَالَ : أَخْبَرَنِي أَبِي ، عَنْ عَائِشَةَ ، قَالَتْ : كَانَ فِرَاشُ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مِنْ أَدَمٍ وَحَشْوُهُ مِنْ لِيفٍ(بُخاری شریف:٦٤٥٦)
Translation
Umm-ul-Momineen Hazrat Aisha (may Allah be pleased with her) narrated that the bed (mattress) of the Messenger of Allah (peace and blessings of Allah be upon him) was made of leather, and it was stuffed with date palm bark (fibers). (Nasr-ul-Bari)