Hypersomnia is one of the symptoms of major depression. Idiopathic hypersomnia is five times less frequent than narcolepsy. Hypersomnia Idiopathic disorder is an excessively deep or prolonged major sleep period. Hypersomnia Idiopathic disorder may be associated with difficulty in awakening. It is believed to be caused by the central nervous system and can be associated with a normal or prolonged.....
