Sunan Abi Dawud Book 5, Hadith 6

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.

Previous Hadith

The Messenger of Allah (ﷺ) was more particular about observing the supererogatory rak'ahs before the dawn prayer than about observing any of the other supererogatory prayers.

Sunan Abi Dawud Book 5, Hadith 5
Next Hadith

The Prophet (ﷺ) would recite in the two (supererogatory) rak'ahs of the dawn prayer: "Say, O unbelievers"

Sunan Abi Dawud Book 5, Hadith 7