Relaxation treatment for insomnia: a component analysis.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007092:Imagination; D008297:Male; D008875:Middle Aged; D009126:Muscle Relaxation; D012064:Relaxation Therapy; D007319:Sleep Initiation and Maintenance Disorders / Q000628:therapy*; D013315:Stress, Psychological / Q000628:therapy