Poor sleep is a significant risk factor for depression across the lifespan and sleep problems
have been hypothesised to contribute to the onset and maintenance of depression …

During the last decade, several studies have shown that insomnia, rather than a symptom of
depression, could be a medical condition on its own, showing high comorbidity with …

BACKGROUND:: Although several diagnostic systems define insomnia, little is known about
the implications of using one versus another of them. METHODS:: The America Insomnia …

Post-traumatic stress disorder (PTSD) is accompanied by disturbed sleep and an impaired
ability to learn and remember extinction of conditioned fear. Following a traumatic event, the …

Learning and memory for extinction of conditioned fear is a basic mammalian mechanism for
regulating negative emotion. Sleep promotes both the consolidation of memory and the …

Sleep enhances memories, particularly emotional memories. As such, it has been
suggested that sleep deprivation may reduce posttraumatic stress disorder. This presumes …

OBJECTIVE: Subjective quality of sleep is impaired in smokers compared with non-smokers,
but there is only limited evidence from methodologically sound studies about differences in …

Objectives: The aims of this study were to identify the risk of depression in the transition to
menopause in women with and without a history of depression and to consider that the …

PURPOSE: To investigate prevalence and correlates of delayed sleep phase, characterized
by problems falling asleep in the evening and rising at adequate times in the morning, in a …

Mood disorders are amongst the most prevalent and severe disorders worldwide, with a
tendency to be recurrent and disabling. Although multiple mechanisms have been …