Well, there’s no evidence of any symptoms of epilepsy — so I’d say that’s probably just unfounded…

Well, there’s no evidence of any symptoms of epilepsy — so I’d say that’s probably just unfounded speculation. Moreover, there are at least two pieces of counter evidence: i. we’re told he was concentrating on a problem, which he was trying to solve, and ii. he clearly ended his meditation at sunrise, with a prayer, in a deliberate manner.