12. Muhammad ibn Musa ibn al-Mutwakkil said: Muhammad ibn Yahya al-`Attar said: Muhammad ibn Ahmad ibn Yahya ibn `Imran al-Ash`ari, on the authority of Ahmad ibn Hilal, on the authority of his grandfather that

The Messenger of Allah said: “Whoever reads (the chapter) Say: He, Allah is One, one hundred times before he goes to sleep, Allah the Mighty and High, will forgive fifty years worth of his sins.”