Two examples of somatoform disorder would be hypochondriasis and conversion disorder. Hypochondriasis is a preoccupation with fears about a real physical problem but that fear exaggerates the severity of the illness. Conversion disorder is a presence of a motor of sensory symptom with no medical reason.
A somatic disorder is a malfunction of the body. A psychosomatic disorder is a disorder of (most commonly) the body caused by a psychological factor (the mind).
It is a disorder where you pull your hair out. it is most common in children, and it is hard to stop.
Sleep terror disorder is most common in children four to 12 years old and is outgrown in adolescence. It affects about 3% of children. Fewer than 1% of adults have the disorder. In adults, men and women are equally affected.
Epilepsy is the most common seizure disorder in children. Try looking at the Epilepsy research foundation website and webmd for more information about children and seizures.
stuttering
Obstructive sleep apnea syndrome. This is the most common form of breathing-related sleep disorder
The most common sleep disorder would most likely be insomnia. It is a disorder that most people will experience at some point in their lifetime. Insomnia is the inability to fall asleep. not breething
Anosmia, the loss of the sense of smell. It is the most common smelling disorder.
Toxicity
anorexia
depression