title: Gender, age, and the risk of insomnia.
authors.affiliation: Sleep Disorders Center, Northwestern University, USA.
authors.forename: Phyllis Zee
authors.initials: PZ
authors.lastname: Spencer
mesh_terms: D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008593:Menopause / Q000502:physiology; D015995:Prevalence; D012737:Sex Factors; D007319:Sleep Initiation and Maintenance Disorders / Q000453:epidemiology* / Q000209:etiology; D014481:United States / Q000453:epidemiology