Sahih Muslim 2240
صحيح مسلم#2240SahihAmir b. Sa'd b. Abu Waqqas told that Sa'd b. Abu Waqqas said during his illness of which he died:" Make a niche for me in the side of the grave and set up bricks over me as was done in case of Allah's Messenger (ﷺ)
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: 11:117