Question 6: My ninety-nine year old father was hit in a car accident. He was taken to a hospital where he remained unconscious for seventeen days during which he did not perform Salaah. When he recovered, he asked about making up for the missed Salaahs. Please advise!
Answer: If he was conscious during the period when he abandoned Salaah, he should make up for the missed Salaahs according to his ability, whether standing, sitting, or lying on his side or back. He should observe them in the same order from the first day missed starting with the first Salaah… read more here.