A disorder characterized by difficulty in falling asleep and/or remaining asleep. (nci ctcae).
Parent Term
Psychiatric disorders
Parent Definition
A group of disorders characterized by behavioral and/or psychological abnormalities, often accompanied by physical symptoms. the symptoms may cause clinically significant distress or impairment in social and occupational areas of functioning. representative examples include anxiety disorders, cognitive disorders, mood disorders and schizophrenia. (nci).