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

Since ancient times it is known that melancholia and sleep disturbances co-occur. The
introduction of polysomnography into psychiatric research confirmed a disturbance of sleep …

This European guideline for the diagnosis and treatment of insomnia was developed by a
task force of the European Sleep Research Society, with the aim of providing clinical …

Sleep reactivity is the trait‐like degree to which stress exposure disrupts sleep, resulting in
difficulty falling and staying asleep. Individuals with highly reactive sleep systems …

Investigating sleep in mental disorders has the potential to reveal both disorder-specific and
transdiagnostic psychophysiological mechanisms. This meta-analysis aimed at determining …

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

Insomnia disorder affects a large proportion of the population on a situational, recurrent or
chronic basis and is among the most common complaints in medical practice. The disorder …

Chronic insomnia is defined by difficulties in falling asleep, maintaining sleep, and early
morning awakening, and is coupled with daytime consequences such as fatigue, attention …

Insomnia disorder is characterized by chronic dissatisfaction with sleep quantity or quality
that is associated with difficulty falling asleep, frequent nighttime awakenings with difficulty …