Mental Illness Disorders What Are Some Mental Illness/disorders That Are Associated With Paranoia?

What are some Mental illness/disorders that are associated with Paranoia? - mental illness disorders

Often I am very paranoid. Out of fear that someone is watching, or in the dark waiting to attack and kill hid .. Sometimes I hear things that are not really there. I also see the shadow figures at certain times. Although I personally believe that I am alone in his delirium. I also really depressed lately, maybe just paranoid, but it comes with ... I'm not sure. Ideas? I think there is something wrong with me.