Qatada narrated on the authority of Anas b. Malik that the Messenger of Allah (ﷺ) said: He who forgets the prayer, or he slept (and it was omitted), its expiation is (only) that he should observe it when he remembers it.

لا تلتقي أسانيد هذه الأحاديث عند راوٍ واحد، وهي على ٢٤ رواة في أعلاها.