that when the Muaddhin fell silent following the call to Subh prayer and dawn had broken, he would pray two brief rak'ahs before getting up to pray.
Sunan an-Nasa'i Book 20, Hadith 176
← Previous Hadith Told him that when the Muaddhin fell silent, Allah's Messenger (ﷺ) would pray two brief rak'ahs.

Sunan an-Nasa'i Book 20, Hadith 175 Next Hadith → "My sister Hafsah told me that he used to pray two brief rak'ahs before Fajr."

Sunan an-Nasa'i Book 20, Hadith 177