Insomnia.
D000328:Adult; D001521:Behavior Therapy / Q000379:methods*; D001676:Biofeedback, Psychology; D002648:Child; D006801:Humans; D011379:Prognosis; D011602:Psychophysiologic Disorders / Q000523:psychology; D007319:Sleep Initiation and Maintenance Disorders / Q000523:psychology / Q000628:therapy*