Aishah said:"I noticed that the Messenger of Allah (ﷺ) was missing from bed, so I started to look for him, and I thought that he had gone to one of his concubines. Then my hand fell on him when he was prostrating and saying: "Allahummaghfirli ma asrartu wa ma a'lant (O Allah, forgive me for what (sin) I have concealed and what I have done openly

English translation · Sunan an-Nasa'i