(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. (RU)
Reference (RU): Sunan Abi Dawud 442 (RU)
In-book reference (RU): Book 2, Hadith 52 (RU)
English translation (RU): Book 2, Hadith 442 (RU)