I don't exactly know if the thing i am suffering from is exactly insomnia... But i have explored and searched more about my problem that i am feeling dizzy and tired all the day but at night i am not just not able to sleep. I feel like sleeping the whole day but at night my eyes are just wide open. Or sometimes it happens like i sleep but in the middle of the night i am awake for no reason and then i cant sleep...at that time i am just looking everywhere with my eyes open and just cannot sleep.