Sahih Muslim 7492
صحيح مسلم#7492SahihThe son of Abu Said al-Khudri reported on the authority of his father that Allah's Messenger (ﷺ) said:When one of you yawns, he should try to restrain it with cue help of his hand since it is the Satan that enters therein
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: 55:75