It was narrated from Abu Hurairah that the Prophet (ﷺ) slept and missed the two Rak’ah before Fajr, so he made them up after the sun had risen
Hadith No. 1155
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Zubair Ali Zai:
Sahih