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