When i photoread (on computer) i am relaxed, i am NOT TIRED even after coffee - i have the feeling that my head is pumped full of air or smth (it is not pain but something like this) and i want to sleep so much that i cant handle it....i have real hallucination when photoreading..hear voicess...my eyes closing for few seconds and i have so clear short dreams that i am really scared....why ? how to not sleep....(i cant photoread with closed eyes)...time of the day has nothing to do with it....(morning, evening - the same).i dont have lack of sleep.it is only when photoreading.