Background Sleep and circadian rhythm disturbances in schizophrenia are common, but
incompletely characterized. We aimed to describe and compare the magnitude and …

Bipolar disorder is a serious mental illness characterized by alternating periods of elevated
and depressed mood. Sleep disturbances in bipolar disorder are present during all stages of …

Sleep, circadian rhythms, and mental health are reciprocally interlinked. Disruption to the
quality, continuity, and timing of sleep can precipitate or exacerbate psychiatric symptoms in …

Abstract Study Objectives: To group participants according to markers of risk for severe
mental illness based on subsyndromal symptoms reported in early adulthood and evaluate …

Kleine-Levin syndrome (KLS) is a rare disorder characterized by severe episodic
hypersomnia, with cognitive impairment accompanied by apathy or disinhibition …

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

Sleep impairments are a hallmark of acute bipolar disorder (BD) episodes and are present
even in the euthymic state. Studying healthy subjects who are vulnerable to BD can improve …

This study investigated sleep subtypes in schizophrenia, and their response to Cognitive
Behavioural Therapy for Insomnia (CBT-I) treatment. Sleep profiling was conducted using …

Nearly all psychiatric disorders present with circadian disruption, such as abnormalities in
the timing of the sleep-wake cycle, core body temperature rhythms, and melatonin and …

Background Serious mental illness (SMI) can have devastating consequences.
Unfortunately, many patients with SMI do not receive evidence-based psychological …