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
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
As for what was narrated by Ibn Abi Umayr from Hammad ibn ‘Uthman, who said:
Abu Abdillah عليه السلام, peace be upon him, said: "Sometimes I perform them while it is still night upon me, so if I rise and the Fajr has not yet appeared, I repeat them."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 145