Some of the more commonly known psychiatric disorders are

• depression;
• manic depression (also known as bipolar disorder); 
• anxiety disorders, including specific phobias (such as fear of heights), social phobia, panic disorder, agoraphobia, obsessive-compulsive disorder, and generalized anxiety disorder; 
• schizophrenia and other psychotic disorders, such as delusional disorder; substance abuse and disorders related to substance abuse;
• delirium;
• dementia, including Alzheimer's disease;
• eating disorders, such as bulimia and anorexia;
• sleep disorders;
• attention-deficit/hyperactivity disorder;
• learning disorders;
• sexual disorders;
• dissociative disorders, such as multiple personality disorder;
• personality disorders, such as borderline personality disorder and antisocial personality disorder.