Background Sleep and circadian rhythm problems intertwine with affective disorders.
Adolescents are particularly vulnerable to developing sleep and affective problems. Yet, the …

Circadian rhythm disruptions are a hallmark feature of mood disorders. Patients
experiencing acute depressive episodes report noticeable changes in their sleep–wake …

Abstract Study Objectives Major depressive disorder (MDD) in adolescence is associated
with irregularities in circadian rhythms and sleep. The characterization of such impairment …

BACKGROUND: Circadian disturbances may play a key role in the pathogenesis of some
forms of mood disorders. Despite marked changes in circadian rhythms during the normal …

Biological rhythm theories highlight the reciprocal relations between dysregulated circadian
patterns and internalizing psychopathology. Chronotype characterizes individuals' diurnal …

While disturbances of the sleep-wake cycle are common in people with affective disorders,
the characteristics of these disturbances differ greatly between individuals. This …

Circadian rhythms orchestrate brain function and mental wellbeing. We compared circadian
patterns derived from continuous measurements of body temperature, sleep actigraphy and …

Background Evening-type and insomnia symptoms are significantly related to each other
and independently associated with depressive symptoms, yet few studies have examined …

Study objectives An evening circadian preference is common among adolescents. It is
characterized by a behavioral predilection for later sleep and wake timing and is associated …

Background Young adults are disproportionately affected by depression and related mental
disorders. Circadian misalignment (a phase advance or delay in the body's internal clock …