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
And from him, from Ibn Abi Umayr, from ‘Umar ibn Udhaynah, from Fudayl, from one of the two (Imams):
Imam عليه السلام said: “Indeed, the Messenger of Allah سبحانه وتعالى, peace and blessings be upon him and his family, used to pray thirteen rak‘ahs after the middle of the night.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 125