Patients with depression often suffer from sleep disorders and non-sleep circadian
disorders. However, whether they precede and predict subsequent depression is unclear …

Background: It is unclear whether there is an association between chronotype and
nonremission of depression, and whether the association is related to the confounding effect …

It has been established that 4.4 to 20% of the general population suffers from a major
depressive disorder (MDD), which is frequently associated with a dysregulation of normal …

The majority of individuals with depression experience sleep disturbances. Depression is
also over-represented among populations with a variety of sleep disorders. Although sleep …

The complaint of excessive daytime sleepiness (EDS), commonly encountered in clinical
practice, may arise from a variety of psychiatric disorders, most importantly depression. Even …

Longitudinal studies observed that individuals suffering from insomnia disorder have a
higher vulnerability to develop symptoms of psychopathology compared with good sleepers …

Defining the relationship between sleep disturbances and psychiatric disorders is a thought–
provoking task and is becoming even more challenging because it is apparent that insomnia …

Background Evidence of an association between sleep duration and depression was
inconsistent. Methods Adults who participated in the National Health and Nutrition …

BACKGROUND: In many patients with depression, symptoms of insomnia herald the onset
of the disorder and may persist into remission or recovery, even after adequate treatment …

Major depression commonly co-occurs with symptoms of insomnia. However, the underlying
psychobiological mechanisms which can explain this relationship are still not well …