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
Ahmad ibn Muhammad ibn Isa from Ahmad ibn Muhammad ibn Abi Nasr, who said:
I asked (Imam) al-Ridha عليه السلام, peace be upon him, about the two rak‘ahs of Fajr. Imam عليه السلام said: "Insert them into the night prayer."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 141