Sahih al-Bukhari 6988
صحيح البخاري#6988SahihNarrated Abu Huraira:Allah's Messenger (ﷺ) said, "The (good) dream of a faithful believer is a part of the forty-six parts of prophetism
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: 91:7