Sunan an-Nasa'i 1779
سنن النسائي#1779SahihIt was narrated from Salim that his father said:"Hafsah told me that when dawn glowed, the Messenger of Allah (ﷺ) would pray two rak'ahs
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 20:182