Seasonality patterns are reported in various psychiatric disorders. The current paper
summarizes findings on brain adaptations associated with seasonal changes, factors that …

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 Chronotype, reflecting interindividual differences in daily activity
patterns and sleep-wake cycles, is intrinsically connected with well-being. Research …

Background Expanding our understanding of the factors that influence depression is crucial
for prognosis and treatment. In light of increasing evidence of an association between …

The importance of time is ever prevalent in our world, and disruptions to the normal
light/dark and sleep/wake cycle have now become the norm rather than the exception for a …

Synchronizing circadian (24 h) rhythms in physiology and behavior with the environmental
light-dark cycle is critical for maintaining optimal health. Dysregulation of the circadian …

Background Preference to time the daily activities towards the evening hours has been
associated with a greater likelihood for depression in earlier studies consisting of relatively …

Aims Sleep disturbance is an important factor in the pathophysiology and progression of
psychiatric disorders, but whether it is a cause, or a downstream effect is still not clear …

Individuals with an evening chronotype are at increased risk of experiencing emotional
problems, including depressive symptoms. However, the mechanisms underlying these …

Seasonal affective disorder has been associated with sleep problems, young age, and an
evening chronotype. A chronotype refers to an individual's preference in the timing of their …