Sahih al-Bukhari 3398
صحيح البخاري#3398SahihNarrated Abu Sa`id:The Prophet (ﷺ) said, 'People will be struck unconscious on the Day of Resurrection and I will be the first to regain consciousness, and behold! There I will see Moses holding one of the pillars of Allah's Throne. I will wonder whether he has become conscious before me, or if he has been exempted because of his unconsciousness at the Tur (mountain) which he received (on the earth)
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: 60:71