title: Headache and sleep: the missing links.
authors.forename: Stefan
authors.initials: S
authors.lastname: Evers
mesh_terms: D015897:Comorbidity; D006261:Headache / Q000453:epidemiology* / Q000503:physiopathology*; D006801:Humans; D012893:Sleep Wake Disorders / Q000453:epidemiology* / Q000503:physiopathology*