Sahih Muslim 1526
صحيح مسلم#1526SahihSimak narrated on the authority of Jabir b. Samura that when the Messenger of Allah (ﷺ) observed the dawn prayer, he sat at the place of worship till the sun had risen enough
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 5:359