Sunan Ibn Majah 930
سنن ابن ماجه#930SahihIt was narrated that Aswad said:“ ‘Abdullah (bin Mas’ud) said: ‘None of you should apportion within himself a part (of his prayer) thinking that it is a right of Allah upon him that he must only turn to his right to leave after finishing the prayer. I saw the Messenger of Allah (ﷺ) and most of the time he turned to his left.’”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Bukhari And Muslim
In-book reference: 5:128