Sahih al-Bukhari 1373
صحيح البخاري#1373SahihNarrated Asma' bint Abi Bakr:Allah's Messenger (ﷺ) once stood up delivering a sermon and mentioned the trial which people will face in the grave. When he mentioned that, the Muslims started shouting loudly
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 23:125