Sunan Ibn Majah 1144
سنن ابن ماجه#1144SahihIt was narrated that Ibn ‘Umar said:“The Messenger of Allah (ﷺ) used to pray two Rak’ah before the morning (prayer), as if the Adhan were in his ears. (i.e., he would pray them briefly)
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: 5:342