صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الركعتين قبل الفجر وما فيها من السننChapters on Two Rak‘ahs before Fajr and their Sunnahs
(473) بَابُ قَضَاءِ رَكْعَتَيِ الْفَجْرِ بَعْدَ طُلُوعِ الشَّمْسِThe chapter on making up the two units before Fajr after sunrise
Hadith Q1118
إِذَا نَامَ الْمَرْءُ عَنْهُمَا فَلَمْ يَسْتَيْقِظْ إِلَّا بَعْدَ طُلُوعِ الشَّمْسِ
When the one praying misses performing them due to sleep or remains asleep, and wakes up after the sun has risen.
