title: Response to Dr. Kripke's letter.
authors.affiliation: Hephata Klinik, Schimmelpfengstr 6, 34613 Schwalmstadt, Germany; Department of Neurology, Philipps University Marburg, Rudolf-Bultmann-Straße 8, 35039 Marburg, Germany; Studienzentrum Wilhelmshöhe, Wilhelmshöher Allee 259, 34131 Kassel, Germany. Electronic address: geert.mayer@hephata.com.
authors.forename: G
authors.initials: G
authors.lastname: Mayer
authors.affiliation: Studienzentrum Wilhelmshöhe, Wilhelmshöher Allee 259, 34131 Kassel, Germany; Institute of Physiology, Charité-Universitätsmedizin Berlin, St.-Hedwig Krankenhaus, Große Hamburger Str. 5-11, 10115 Berlin, Germany; Department of Pneumology, Evangelisches Krankenhaus Weende gGmbH, An der Lieth 5, 37120 Bovenden, Germany.
authors.forename: A
authors.initials: A
authors.lastname: Rodenbeck
mesh_terms: D005260:Female; D006801:Humans; D006993:Hypnotics and Sedatives / Q000627:therapeutic use*; D007192:Indenes / Q000627:therapeutic use*; D008297:Male; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy*
chemical_list: D006993:Hypnotics and Sedatives; D007192:Indenes