Sleep disorders are listed in the DSM( the Diagnostic and Statistical Manual of Mental Disorder). They are considered axis 1 disorders. They can be the basis of sole diagnosis, but are most often diagnosed in concurrence with another disorder.
According to the Diagnostic and Statistical Manual of Mental Disorders, phobias are considered to be sub-types of anxiety disorder (psychiatric disorder).
Heredity plays a role in the predisposition to mental disorders. Certain mental disorders, such as schizophrenia and bipolar disorder, have a genetic component that can increase the risk of developing the disorder if there is a family history. However, environmental factors also interact with genetic predispositions to influence the development of mental disorders.
There are many places that one can find information on sleeping disorder symptoms such as WebMD. The best bet above all would be to purchase the Diagnostic and Statistical Manual of Mental Disorders. It has every mental disorder known to man and has lots of information in it. It's also very dependable, as it is updated every few years.
Canavan of history of the disorder
A brain disorder ; chemical imbalance
There are many mental health disorders that have a psychological basis; more common are - Bipolar disorder, obsessive compulsive disorder, sociopathy, anorexia nervosa, bulimia, schizoid ...
Yes, it's a manifestation of a panic disorder which is a category of anxiety disorders. They fall within the broader mental disorder category.
Phobias can be diagnosed as a disorder themselves, but disorders such as Panic Disorder, Generalized Anxiety Disorder, and PTSD are all often associated with phobias.
For example: 1) Personality disorders (borderline, paranoid, histrionic, etc.) 2) Anxiety disorders (specific phobia, obsessive-compulsive disorder, panic disorder, etc.) 3) Schizophrenia and other psychotic disorders (delusional disorder, schizoaffective disorder, etc.) 4) Mood disorders (major depressive disorder, bipolar disorder, dysthymic disorder, etc.) 5) Somatoform disorders (somatization disorder, hypocondriasis, conversion disorder, etc.) 6) Dissociative disorders (depersonalization disorder, etc.) 7) Adjustment disorder 8) Substance-induced disorders ... And many more. You can look up the DSM-IV-TR or the ICD-10 classification of mental disorders for details.
split personality disorder
It is generally recommended to not capitalize mental health disorders unless a specific diagnosis is being referred to, such as Major Depressive Disorder or Generalized Anxiety Disorder.
Somatoform disorders are mental disorders in which physical symptoms cannot be fully explained by a known physical illness or injury. These disorders are characterized by the presence of physical symptoms that suggest a medical condition, but cannot be traced back to a specific medical cause. Examples include somatization disorder, conversion disorder, and illness anxiety disorder.