I wake up with really bad fatigue i take up to 9 pills a day is this why im like this?

i take medicine for epilepsy, for hypertension and vitamin d3 2,000 milograms a day cause i have no vitamin d in my system and im on a low fat diet..it really bothers me im like this i get real irritated and am a b*tch! or is this cause of depression ? i am depressed but take no pills my Dr hasent diagnosed me yet thanks i know this is no way to get medical advice but i wanna ask if there is anyone taking as much meds like me and get this way?