Results 81 to 90 of about 152,319 (200)

Assessing REM Sleep as a Biomarker for Depression Using Consumer Wearables

open access: yesDiagnostics
Background: Rapid-eye-movement (REM) sleep disinhibition—shorter REM latency and a larger nightly REM fraction—is a well-described laboratory correlate of major depression.
Roland Stretea   +6 more
doaj   +1 more source

Electroencephalographic correlates of Chronic Fatigue Syndrome [PDF]

open access: yes, 2009
Background Unremitting fatigue and unrefreshing sleep, hallmark traits of Chronic Fatigue Syndrome (CFS), are also pathognomonic of sleep disorders.
Michael J Decker   +3 more
core   +1 more source

Monitoring sleep depth: analysis of bispectral index (BIS) based on polysomnographic recordings and sleep deprivation [PDF]

open access: yes, 2015
© 2015 Springer Science+Business Media Dordrecht The assessment and management of sleep are increasingly recommended in the clinical practice. Polysomnography (PSG) is considered the gold standard test to monitor sleep objectively, but some practical ...
Alonso López, Joan Francesc   +6 more
core   +2 more sources

Do Circadian Preferences Influence the Sleep Patterns of Night Shift Drivers? [PDF]

open access: yes, 2013
Objective: the objective of this study was to analyze the effect of individual circadian preferences of drivers with fixed night work schedules on sleep patterns.
Bittencourt, Lia Rita Azeredo   +7 more
core   +2 more sources

Quantification of sleep in dairy cows in three different stages of lactation [PDF]

open access: yes, 2011
The aim of this project was to quantify the total sleep time in modern dairy cows during 24-hour periods and to investigate whether the total amount of sleep as well as time spent in different sleep stages varies between the dry period, early- and peak ...
Nilsson, Emma
core   +1 more source

REM sleep in narcolepsy

open access: yesSleep Medicine Reviews
Narcolepsy is mainly associated with excessive daytime sleepiness, but the characteristic feature is abnormal rapid eye movement (REM) sleep phenomena. REM sleep disturbances can manifest as cataplexy (in narcolepsy type 1), sleep paralysis, sleep-related hallucinations, REM sleep behavior disorder, abnormal dreams, polysomnographic evidence of REM ...
Michael J. Thorpy   +2 more
openaire   +4 more sources

Disturbed EEG sleep, paranoid cognition and somatic symptoms identify veterans with post-traumatic stress disorder

open access: yesBJPsych Open, 2016
Background Chronic post-traumatic stress disorder (PTSD) behavioural symptoms and medically unexplainable somatic symptoms are reported to occur following the stressful experience of military combatants in war ...
Harvey Moldofsky   +4 more
doaj   +1 more source

A Motor Theory of Sleep-Wake Control: Arousal-Action Circuit. [PDF]

open access: yes, 2019
Wakefulness, rapid eye movement (REM) sleep, and non-rapid eye movement (NREM) sleep are characterized by distinct electroencephalogram (EEG), electromyogram (EMG), and autonomic profiles.
Dan, Yang, Liu, Danqian
core  

The Effect of Baclofen on Alterations in the Sleep Patterns Induced by Different Stressors in Rats

open access: yesJournal of Pharmacological Sciences, 2009
We have previously reported that sleep patterns are significantly affected by both physical and psychological stress induced by a communication box ; however, the mechanism by which stress alters sleep patterns was not established.
Ranji Cui   +3 more
doaj   +1 more source

The Correlation between Sleep and Creativity [PDF]

open access: yes, 2010
Fredrich August von Kekule, a famous German chemist, was attempting to determine the shape of the benzene molecule, which was known to have six carbon atoms.
Debora Aricò   +6 more
core   +1 more source

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