Sahih Muslim 1801
صحيح مسلم#1801SahihIbn `Abbas reported:(My father) Al-`Abbas sent me to the Messenger of Allah (ﷺ) and he was in the house of my mother's sister Maimuna and I spent that night along with him. He (the Holy Prophet) got up and prayed at night, and I stood up on his left side. He caught hold of me from behind his back and made me stand on his right side
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: 6:229