Sahih al-Bukhari 568
صحيح البخاري#568SahihNarrated Abu Barza:Allah's Messenger (ﷺ) disliked to sleep before the `Isha' prayer and to talk after it
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: 9:45