(11) باب فِي مَنْ نَامَ عَنِ الصَّلاَةِ، أَوْ نَسِيَهَا
Anas b. Malik reported the Prophet (ﷺ) as saying:
If any one forgets a prayer or oversleeps, he should observe it when he remembers it ; there is no expiation for it except that.
Reference: Sunan Abi Dawud 442
In-book reference: Book 2, Hadith 52
English translation: Book 2, Hadith 442