title: Predisposition to and development and persistence of chronic insomnia: importance of psychobehavioral factors.
authors.forename: A
authors.initials: A
authors.lastname: Kales
authors.forename: A N
authors.initials: AN
authors.lastname: Vgontzas
mesh_terms: D001519:Behavior; D002908:Chronic Disease; D004198:Disease Susceptibility; D006801:Humans; D012307:Risk Factors; D007319:Sleep Initiation and Maintenance Disorders / Q000453:epidemiology / Q000209:etiology* / Q000523:psychology