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 …

Epidemiologic studies show that psychopathology is a very powerful risk factor for the
occurrence of insomnia. Depression and/or anxiety are quite prevalent among insomniacs …

Background Observational studies suggest that insomnia might be associated with an
increased risk of depression with inconsistent results. This study aimed at conducting a meta …

Previous research has identified insomnia as a predictor for the onset of depression. The
aim of this meta-analysis is to investigate whether insomnia also predicts the onset of other …

Background: Chronic insomnia afflicts approximately 5–10% of the adult population in
Western industrialized countries. Insomnia may be secondary, ie triggered and/or …

Background: Insomnia is frequent in the general population and is often related to a
psychiatric illness. However, little is known about how the chronicity of insomnia affects this …

OBJECTIVE: The aim of the present study was to examine the association of insomnia
symptoms with demographic and physical and mental conditions in a large population …

Is insomnia a clinical entity in its own right or is it simply a symptom of an underlying medical
or psychological disorder? The widely held view among many clinicians and researchers is …

Factors associated with insomnia symptoms are numerous; mental disorders and organic
diseases are among the most frequently observed associations. Nonetheless, epidemiologic …