Excessively deep or prolonged major sleep period. The term is primarily a diagnostic term, e.g., idiopathic hypersomnia.
A dyssomnia, which as a symptom may be associated with any of a number of mental disorders.
Excessively deep or prolonged major sleep period. The term is primarily a diagnostic term, e.g., idiopathic hypersomnia.
A dyssomnia, which as a symptom may be associated with any of a number of mental disorders.