BACKGROUND: Circadian disturbances may play a key role in the pathogenesis of some
forms of mood disorders. Despite marked changes in circadian rhythms during the normal …

The “International Biomarkers Workshop on Wearables in Sleep and Circadian Science”
was held at the 2018 SLEEP Meeting of the Associated Professional Sleep Societies. The …

The aim of this study was to evaluate the effects of a 200‐mg administration of caffeine on
polysomnographic sleep variables and quantitative sleep electroencephalography (EEG) in …

Aging induces multiple changes to sleep spindles, which may hinder their alleged functional
role in memory and sleep protection mechanisms. Brain aging in specific cortical regions …

Background Clinical psychiatry has always been limited by the lack of objective tests to
substantiate diagnoses and a lack of specific treatments that target underlying pathophysiology. …

Background: The nature of sleep-wake abnormalities in individuals with mental disorders
remains unclear. The present study aimed to examine the differences in objective ambulatory …

This study aimed to evaluate changes in sleep during the COVID‐19 outbreak, and used
data‐driven approaches to identify distinct profiles of changes in sleep‐related behaviours. …

Slow waves (SW; < 4 Hz and > 75 μV) during non‐rapid eye movement (NREM) sleep in
humans are characterized by hyperpolarization [surface electroencephalogram (EEG) SW …

Background Abnormalities in heart rate during sleep linked to impaired neuro-cardiac modulation
may provide new information about physiological sleep signatures of depression. This …

Abnormalities in circadian rhythms have been reported in people with mood disorders, but
these abnormalities are marked by considerable inter-individual variability. This study aimed …