title: The hypnic headache syndrome.
authors.forename: N H
authors.initials: NH
authors.lastname: Raskin
mesh_terms: D000368:Aged; D002940:Circadian Rhythm; D005260:Female; D005500:Follow-Up Studies; D006261:Headache / Q000188:drug therapy / Q000503:physiopathology*; D006801:Humans; D008094:Lithium / Q000627:therapeutic use; D008297:Male; D012893:Sleep Wake Disorders / Q000188:drug therapy / Q000503:physiopathology*; D013577:Syndrome
chemical_list: D008094:Lithium