Insomnia disorder comprises symptoms during night and day that strongly affect quality of
life and wellbeing. Prolonged sleep latency, difficulties to maintain sleep and early morning …

While insomnia is the second most common mental disorder, progress in our understanding
of underlying neurobiological mechanisms has been limited. The present review addresses …

Insomnia disorder (ID) has become the second-most common mental disorder. Despite
burgeoning evidence for increased high-frequency electroencephalography (EEG) activity …

Objective Systematic reviews on sleep bruxism (SB) as a comorbid condition of other sleep-
related disorders are lacking. Such reviews would contribute to the insight of sleep clinicians …

Theoretical models of insomnia disorder recognise an emotional component in the
maintenance of the disorder. Nonetheless, the field of emotions is vast and different …

Rates of major depressive disorder (MDD) are increasing globally, in part due to the
coronavirus disease 2019 pandemic, contributing to disease burden. It has long been …

Objective The aim of the present study was to examine the prevalence of insomnia subtypes
in relation to several demographic characteristics, as well as to investigate the prevalence of …

Background Frailty is prevalent in older adults and has adverse effects on multiple health
outcomes. Pain, insomnia, and depressive symptoms are commonly seen and treatable …

Sleep is a biological imperative, so one might wonder “what has psychology got to do with
it?” A person's behaviours, thoughts, emotions and interactions with the environment …

Disturbances of the sleep-wake cycle are highly prevalent and diverse. The aetiology of
some sleep disorders, such as circadian rhythm sleep-wake disorders, is understood at the …