“When Ibn ‘Abbas was in Basrah, he performed prayer on his rug, then he told his companions that the Messenger of Allah ﷺ used to perform prayer on his rug.” (Using translation from Ibn Mājah 1030)

أَنَّ رَسُولَ اللهِ ﷺ صَلَّى عَلَى بِسَاطٍ