Sahih Muslim 5901
صحيح مسلم#5901SahihAbu Salama reported:I used to see dreams, but the hadith transmitted on the authority of Laith b. Nu`man, the words of Abu Salama at the concluding part of the hadith are not mentioned. Ibn Rumh has reported in the hadith: "He (one who sleeps) should change the side on which he had been lying before
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: 42:5