Do Medicines Induce Sleep?

hi , iam munazza ,i am undertreatment since march 2009 head injury,disease is post consiouse syndrome.i have headche,cna not bear noise,bad news,tensions,bad movies,fast music,can not talk loud and long time,pls guide because i am nt satisfied with my pakistani doctors becuase thay given me wrong medicens few doctors,after that i felt drunk my self, sleppy sleepy.