Sunan Abi Dawud 3718
سنن أبي داود#3718SahihNazzal b. Samurah said :‘Ali asked for water and he drank it while standing. He then said: some people disapprove of doing this (drinking while standing ), but I saw the Messenger of Allah (ﷺ) doing as I have done
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (5615)
In-book reference: 27:50