Sunan Ibn Majah 1318
سنن ابن ماجه#1318SahihIt was narrated that Ibn ‘Umar said:“The Messenger of Allah (ﷺ) used to offer the night prayers two by two.”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 5:516