This study aimed to evaluate the associations of nighttime sleep duration and midday
napping with risk of depressive symptoms incidence and persistence among middle-aged …

Background Sleep disturbance is a common feature of depression. However, recent work
has found that individuals who are vulnerable to depression report poorer sleep quality …

The normal spectrum trait measures of mood instability and impulsivity are implicated in and
comprise core symptoms of several psychiatric disorders. A bidirectional relationship …

Objective: The purpose of this study was to test an experimental model of the effects of sleep
continuity disturbance on sleep architecture and positive mood in order to better understand …

Objective We investigated the longitudinal impacts of insomnia on the subsequent
developments of anxiety and depression during a four-year follow-up. We further …

Circadian factors might play a crucial role in the etiology of depression. It has been
demonstrated that the disruption of circadian rhythms by lighting conditions and lifestyle …

Sleep problems and depression are both common and have a high impact on quality of life.
They are also strongly associated and commonly occur together. During the reproductive …

In recent years, evidence has emerged for a bidirectional relationship between sleep and
neurological and psychiatric disorders. First, sleep− wake disorders (SWD s) are very …

Abstract Study Objectives Mechanisms underlying the distress of hyperarousal in people
with insomnia remain enigmatic. We investigated whether insomnia impedes the overnight …

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 …