As for what was narrated by al-Husayn ibn Sa'id from Fadalah from Ibn Sinan from Abu Abdillah عليه السلام:
Imam al-Sadiq عليه السلام said: “Everything you left of your prayer due to an illness, in which you were rendered unconscious, make it up when you regain consciousness.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 3, p. 337