Sunan Abi Dawud 1255
سنن أبي داود#1255SahihNarrated 'Aishah:The Prophet (ﷺ) would pray two rak'ahs before the dawn prayer lightly so much so that I would say: Did he recite Surah al-Fatihah in them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (1171) Sahih Muslim (724)
In-book reference: 5:6