title: Active and placebo treatment effects on moderate insomnia under counterdemand and positive demand instructions.
mesh_terms: D001521:Behavior Therapy; D005260:Female; D006801:Humans; D008297:Male; D010919:Placebos; D012063:Relaxation; D012107:Research Design; D007319:Sleep Initiation and Maintenance Disorders / Q000628:therapy*
chemical_list: D010919:Placebos