The Messenger of Allah ﷺ said: My heart is invaded by unmindfulness, and I ask Allah's pardon a hundred times in the day. (Using translation from Abū Dāʾūd 1515)

قَالَ رَسُولُ اللهِ ﷺ إِنَّهُ لَيُغَانُ عَلَى قَلْبِي وَإِنِّي لَأَسْتَغْفِرُ اللهَ كُلَّ يَوْمٍ مِائَةَ مَرَّةٍ