It was narrated from Ibn 'Umar that Hafsah said:"When the dawn appears, the Messenger of Allah (ﷺ) would only pray two short Rak'ahs
Hadith No. 583
Sunan an Nasai
Gradings:
Abu Ghuddah:
Sahih
Al-Albani:
Sahih
Zubair Ali Zai:
Hasan