Al-Agharr al-Muzani said (Musaddad in his version of this tradition said that he was a Companion of the Prophet): The Messenger of Allah ﷺ said: My heart is invaded by unmindfulness, and I ask Allah's pardon a hundred times in the day.
Hadith ReferenceSunan Abi Dawud / Prayer (Kitab Al-Salat): Detailed Injunctions about Witr / Hadith: 1515
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم (2702)