Check out Magnesium deficiency and epilepsy. Also any of you with migraine may benefit. Here Dr Diana talks about how such a deficiency can cause many other symptoms, often reported on this website.
http://prettyill.com/videos/watch/the_magic_of_magnesium
http://prettyill.com/resources/view/magnesium_and_ehlers_danlos_syndrome_by_heidi_collins_md
An easy way of improving your magnesium levels is to take a soak in a nice warm bath with a couple of cupfuls of Epsom Salts. Your body will absorb it through your skin.