Sahih Muslim 1154
صحيح مسلم#1154SahihUmar b. Abu Salama reported:I saw the Messenger of Allah (ﷺ) saying prayer in the house of Umm Salama in a single garment with its extremities crossing each other
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: 4:316