Despite a complex relationship between mood, sleep and rhythm, the impact of circadian
disruptions on bipolar disorder (BD) has not been clarified. The purpose of this systematic …

Abstract Purpose of Review We review recent evidence for circadian rhythm dysregulation in
bipolar spectrum disorders (BSDs). We examine evidence for endogenous abnormalities in …

Sleep and circadian rhythms disturbances (SCRD) in young people at high risk or with early
onset of bipolar disorders (BD) are poorly understood. We systematically searched for …

A reliable non-invasive method to assess autonomic nervous system activity involves the
evaluation of the time course of heart rate variability (HRV). HRV may vary in accordance …

Importance Insomnia, hypersomnia, and an evening chronotype are common in individuals
with bipolar disorder (BD), but whether this reflects shared genetic liability is unclear …

Objectives Disruptions in sleep and dysregulation in circadian functioning may represent
core abnormalities in the pathophysiology of bipolar disorder (BP). However, it is not clear …

Background: Sleep alterations are frequent occurrence in Bipolar Disorder (BD), both in
acute and interepisodic phases. Sleep alterations have been also described both long …

Affective disorders are often accompanied by circadian rhythm disruption and the major
symptoms of mental illness occur in a rhythmic manner. Chronotype, also known as …

Background Disturbed sleep timing is common in bipolar disorder (BD). However, most
research is based upon self-reports. We examined relationships between subjective versus …

Bipolar disorder (BD) is a neuropsychiatric mood disorder characterized by recurrent
episodes of mania and depression in addition to disruptions in sleep, energy, appetite, and …