Sahih al-Bukhari 4955
صحيح البخاري#4955SahihNarrated Aisha:The commencement of the Divine Inspiration to Allah's Messenger (ﷺ) was in the form of true dreams. The Angel came to him and said, "Read, in the Name of your Lord Who has created (all that exists), has created man a clot. Read! And your Lord is Most Generous
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: 65:477