And from him, from Ahmad ibn Muhammad from Safwan the camel driver. He said:
Abu Abdillah عليه السلام used to pray the night prayer during the day on his mount, in whatever direction it faced.
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 16