Sahih Muslim 5274
صحيح مسلم#5274SahihAnas reported Allah's Apostle (ﷺ) disapproved the drinking of water while standing
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: 36:148