Sunan Ibn Majah 1361
سنن ابن ماجه#1361SahihIt was narrated that ‘Amir Ash-Sha’bi said:“I asked ‘Abdullah bin ‘Abbas and ‘Abdullah bin ‘Umar about the Prophet’s prayer at night. They said: ‘(He prayed) thirteen Rak’ah, including eight, and three for Witr, and two Rak’ah after the Fajr.’”
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: 5:559