title: Critical evaluation of the effect of valerian extract on sleep structure and sleep quality.
authors.forename: H
authors.initials: H
authors.lastname: Giedke
authors.forename: U
authors.initials: U
authors.lastname: Breyer-Pfaff
mesh_terms: D006801:Humans; D008517:Phytotherapy; D010946:Plants, Medicinal; D012890:Sleep / Q000187:drug effects*; D012893:Sleep Wake Disorders / Q000188:drug therapy*; D017211:Treatment Failure; D014632:Valerian / Q000627:therapeutic use*