Sunan Ibn Majah 1199
سنن ابن ماجه#1199SahihIt was narrated that Abu Hurairah said:“When the Messenger of Allah (saw prayed the two (Sunnah) Rak’ah of Fajr, he would lie down.”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Fouad Abd al-BaqiHasan Sahih
Shuaib Al ArnautHasan
Zubair Ali ZaiSahih
In-book reference: 5:397