Al-Nadr, from Abdullah ibn Sinan, from Abu Abdillah عليه السلام, peace be upon him:
Imam عليه السلام said: “Everything that you have left of your prayers because of an illness in which you were made unconscious, make it up when you regain consciousness.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 4, p. 314