title: Sleep and circadian rhythm disturbances in bipolar disorder: an urgent need for objective assessment and systematic follow-up.
authors.forename: Flavio
authors.initials: F
authors.lastname: Kapczinski
authors.forename: Benicio N
authors.initials: BN
authors.lastname: Frey
authors.forename: Eduard
authors.initials: E
authors.lastname: Vieta
mesh_terms: D001714:Bipolar Disorder / Q000150:complications / Q000503:physiopathology*; D021081:Chronobiology Disorders / Q000175:diagnosis / Q000209:etiology* / Q000523:psychology; D006801:Humans; D011569:Psychiatric Status Rating Scales; D012893:Sleep Wake Disorders / Q000175:diagnosis / Q000209:etiology* / Q000523:psychology