"When he was called to Subh prayer, the Messenger of Allah (ﷺ) would do two prostrations before Subh prayer."
Sunan an-Nasa'i Book 20, Hadith 174
← Previous Hadith "Hafsah told me that the Messenger of Allah (ﷺ) used to pray two rak'ahs beore Subh."

Sunan an-Nasa'i Book 20, Hadith 173 Next 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