Therapist factor in the treatment of insomnia.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001521:Behavior Therapy / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009126:Muscle Relaxation; D011369:Professional-Patient Relations; D007319:Sleep Initiation and Maintenance Disorders / Q000628:therapy*