While I realize you posted this under the "Aliens and UFOs" area because you either believed that might be the cause; or, wanted others to convince
you it was the cause ... I'll still throw in 2 cents you probably don't want to hear.
First, check this wiki webpage: en.wikipedia.org...
Now, there are a LOAD of other 'conditions' it might be as well, and only a competant doctor or psychiatrist can sort it out.
Second, I don't have the link but just recently (last week or two) I read of a virus online that attacks epileptics.
Third, you need to know that epilepsy can strike people who were never affected before that.
Fourth, my particular way of dealing with things is to rule out the most logical possibilities before jumping to para-normal conclusions. So, if you
have a doctor, see him or her before 'deciding' on alien abductions.