The Prophet ﷺ used to pray on a small prayer mat.
أن النبي ﷺ كان يصلي على الخمرة.
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Abu Yaala (7095, edited by Athari) narrated it from Abu Khaythama, he said, Wahb bin Jareer told us, Shuba told us, from Abu Husayn, from Yahya bin Wathab, from Abu Abdul-Rahman, from Umm Habiba, and she related the same. Tabarani also narrated it in Al-Kabir (23/242) through the route of Ubaydullah bin Umar Qawariri, from Wahb bin Jareer, with the same wording.Haythami said in Al-Majmaa (752), "Abu Yaala and Tabarani narrated it, and the narrators of Abu Yaala are the narrators of the sahih."I say, it is as he said. Abu Husayn is Uthman bin Aasim Asadi Kufi, a reliable and firmly established narrator among the narrators found in all the major collections. Abu Abdul-Rahman Sulami is Abdullah bin Habib bin Rabia (with the ra pronounced with damma, though it has also been said with fatha) Sulami Kufi the Quran reciter, well known by his kunya, reliable and firmly established among the narrators found in all the major collections.It was also narrated by Ibn Hibban in his Sahih (2312) through the route of Zakariya bin Hakam Rasani, who said, Wahb bin Jareer told us, with the same wording. This Zakariya was mentioned by the author in Ath-Thiqat (8/255), and he is acceptable, since he has been corroborated by the two aforementioned narrators.