Sahih Muslim 1732
صحيح مسلم#1732SahihA'isha reported:When the Messenger of Allah (ﷺ) had prayed the two rak'ahs (Sunan) of the dawn prayer, he would talk to me if I was awake, otherwise he would lie down
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: 6:161