It wasnarrated from Abu Hurairah that the Prophet (ﷺ) slept andmissedthe two Rak'ah before Fajr, so he made them up after the sunhadrisen. (ID)
English reference (ID): Vol. 1, Book 5, Hadith 1155 (ID)
Arabic reference (ID): Book 5, Hadith 1210 (ID)