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Not to suggest that the phenomena are necessarily related (though it wouldn't surprise me), there's also this:

>Sudden unexpected death in epilepsy (SUDEP) is a fatal complication of epilepsy. It is defined as the sudden and unexpected, non-traumatic and non-drowning death of a person with epilepsy, without a toxicological or anatomical cause of death detected during the post-mortem examination.

https://en.wikipedia.org/wiki/SUDEP .