title: Special issue on headache and sleep.
authors.affiliation: Department of Neurology, Krankenhaus Lindenbrunn, Germany everss@uni-muenster.de.
authors.forename: Stefan
authors.initials: S
authors.lastname: Evers
mesh_terms: D006261:Headache; D006801:Humans; D012890:Sleep; D012893:Sleep Wake Disorders