Sahih Muslim 5447
صحيح مسلم#5447SahihA'isha reported that the bedding on which. Allah's Messenger (ﷺ) slept was made of leather stuffed with palm fibre
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 37:62