Chapter on the Detailed Explanation of Prayer, Including the Obligatory and Recommended, and What is Permissible and Not Permissible.

And from him, from Muhammad ibn Ziyad, from Muhammad ibn Humran, from Abu Abdillah عليه السلام, who said: I asked Him عليه السلام about the night prayer, may I perform it at the beginning of the night? Imam عليه السلام said: "Yes, I do that myself. When the camel driver hastens me, I perform it in the howdah (riding carriage)."