sleep disorder A disease of mental health that involves disruption of sleep patterns. DOID:535 DOID:9028 ICD9CM:307.4 MSH:D012893 Non-organic sleep disorder UMLS_CUI:C0154564 disease_ontology MFOMD_0000087 Primary sleep disorders are those in which none of another mental disorder, a general medical condition or a substance is responsible. This disorders are presumed to arise from endogenous abnormalities in sleep-wake generating or timing mechanisms, often complicated by conditioning factors, and are subdivided into: Dyssomnias and Parasomnias. DSM-IV-TR (american Psychiatric Association) trastornos del sueño mental disorder