Sahih al-Bukhari 284
صحيح البخاري#284SahihNarrated Anas bin Malik:The Prophet (ﷺ) used to visit all his wives in one night and he had nine wives at that time
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: 5:36