Hafsa bint Umar bin Khattab reported,

The Prophet ﷺ, when dawn broke for him, would pray two rakahs.

Muslim 1680

Sahih

حدثنا محمد بن عباد حدثنا سفيان عن عمرو عن الزهري عن سالم عن أبيه

أخبرتني حفصة

أن النبي ﷺ كان إذا أضاء له الفجر صلى ركعتين

مسلم 1680صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Travelers' prayer and its shortening
Chapter
Recommendation of the two Fajr sunnah rakahs, encouragement to perform them, making them light, being consistent with them, and what is recommended to recite in them
Numbering
Darussalam 1680
Muslim 1680