BACKGROUND: Hypersomnia in inter-episode bipolar disorder has been minimally
researched. The current study sought to document the prevalence of hypersomnia in a …

Background. Though poorly defined, hypersomnia is associated with negative health
outcomes and new-onset and recurrence of psychiatric illness. Lack of definition impedes …

Objective Sleep problems in bipolar disorder (BD) are common, but reported rates vary from
10% to 80%, depending on definitions, methodologies and management of potential …

We investigated associations between sleep, illness course, and concurrent symptoms in 21
participants with bipolar disorder who were inter-episode. Sleep was assessed using a …

Background Sleep disturbance is a prevalent and clinically significant feature of bipolar
disorder. However, there are aspects of sleep and bipolar disorder that have been minimally …

Sleep disturbance is a common feature during mood episodes in bipolar disorder. The aim
of this study was to investigate the prevalence of such symptoms among euthymic bipolar …

Objectives Sleep–wake disturbances, such as sleep irregularity, are common in bipolar
disorder. Early studies suggest that sleep irregularity is associated with mood symptoms in …

Over the past decade, researchers have shifted focus from the manic and depressive
episodes to the interepisode period in the study of sleep–wake disturbance in bipolar …

Background Hypersomnia is a common problem amongst individuals with Bipolar Disorder
(BD). The objective of this meta-analysis is to estimate the frequency of hypersomnia in …

Abstract Background Theoretical models of Bipolar Disorder (BD) highlight that sleep
disturbances may be a marker of underlying circadian dysregulation. However, few studies …