Chapter on the Manner of Prayer, Explanation of the Fifty-One Rak‘ahs; The Order, Recitation, Tasbih in Bowing and Prostration, Qunut, and What is Obligatory and Recommended Therein

And from him, from Muhammad ibn Sinan, from Ibn Muskan, from Muhammad ibn Muslim. He said: I asked Him عليه السلام about a man who does not wake up at the end of the night until ten or fifteen nights pass in this state, so he prays at the beginning of the night. Is that more beloved to you, or that he makes it up? Imam عليه السلام said: “No, rather, that he makes it up is more beloved to me. I dislike that he should take that as a habit.”