Muhammad and Temporal Lobe Epilepsy (TLE)
By Ali Sina
The Physical Effects of Muhammad’s Ecstatic Experiences:
Here is how Muhammad described his mystical experiences:
“The Revelation is always brought to me by an angel: sometimes it is delivered to me as the beating sound of the bell--and this is the hardest experience for me; but sometimes the angel appears to me in the shape of a human and speaks to me.” 
“Those who saw the Prophet (pbuh) in this state relate that his condition would change. Sometimes he would stay motionless as if some terribly heavy load was pressed on him and, even in the coldest day, drops of sweat would fall from his forehead”  At other times he would move his lips.
Ibn Sa'd says, "at the moment of inspiration, anxiety pressed upon the Prophet, and his countenance was troubled" [
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