The pillow of the Messenger of Allah ﷺ on which he slept at night (according to the version on Ibn Mani') was of leather stuffed with palm fibre (according to the agreed version).
كَانَ وِسَادَةُ رَسُولِ اللَّهِ ﷺ قَالَ ابْنُ مَنِيعٍ الَّتِي يَنَامُ عَلَيْهَا بِاللَّيْلِ ثُمَّ اتَّفَقَا مِنْ أَدَمٍ حَشْوُهَا لِيفٌ