Results 1 to 10 of about 38,430 (155)

Molecular Mechanisms of REM Sleep [PDF]

open access: yesFrontiers in Neuroscience, 2020
Rapid-eye movement (REM) sleep is a paradoxical sleep state characterized by brain activity similar to wakefulness, rapid-eye-movement, and lack of muscle tone.
Rikuhiro G. Yamada   +2 more
doaj   +3 more sources

REM Sleep Characteristics in Narcolepsy and REM Sleep Behavior Disorder [PDF]

open access: yesSleep, 2007
To assess the presence of polysomnographic characteristics of REM sleep behavior disorder (RBD) in narcolepsy; and to quantify REM sleep parameters in patients with narcolepsy, in patients with "idiopathic" RBD, and in normal controls.Sleep laboratory studySixteen patients with narcolepsy and cataplexy matched for age and sex with 16 patients with ...
Jacques Montplaisir   +2 more
exaly   +3 more sources

REM sleep obstructive sleep apnoea

open access: yesEuropean Respiratory Review
Obstructive sleep apnoea (OSA) can occur in both rapid eye movement (REM) and non-REM sleep or be limited to REM sleep, when the upper airway is most prone to collapse due to REM sleep atonia.
Maria R. Bonsignore   +5 more
doaj   +4 more sources

The Sentinel Sleep Theory: Unweaving the biological function of REM sleep [PDF]

open access: yesSleep Medicine: X
The biological function of Rapid Eye Movement (REM) sleep remains one of neuroscience’s great mysteries. In this theoretical research paper, I present the evolutionary theory that explains why REM sleep exists.
Raffael Brito Spinassi
doaj   +2 more sources

Assessing REM Sleep as a Biomarker for Depression Using Consumer Wearables [PDF]

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   +2 more sources

Local Aspects of Avian Non-REM and REM Sleep [PDF]

open access: yesFrontiers in Neuroscience, 2019
Birds exhibit two types of sleep that are in many respects similar to mammalian rapid eye movement (REM) and non-REM (NREM) sleep. As in mammals, several aspects of avian sleep can occur in a local manner within the brain.
Niels C. Rattenborg   +3 more
doaj   +6 more sources

An Asymmetrical Hypothesis for the NREM-REM Sleep Alternation—What Is the NREM-REM Cycle?

open access: yesFrontiers in Neuroscience, 2021
Since the discovery of rapid eye movement (REM) sleep (Aserinsky and Kleitman, 1953), sleep has been described as a succession of cycles of non-REM (NREM) and REM sleep episodes.
Olivier Le Bon
doaj   +1 more source

A probabilistic model for the ultradian timing of REM sleep in mice.

open access: yesPLoS Computational Biology, 2021
A salient feature of mammalian sleep is the alternation between rapid eye movement (REM) and non-REM (NREM) sleep. However, how these two sleep stages influence each other and thereby regulate the timing of REM sleep episodes is still largely unresolved.
Sung-Ho Park   +6 more
doaj   +1 more source

What Is REM Sleep? [PDF]

open access: yesCurrent Biology, 2020
For many decades, sleep researchers have sought to determine which species ‘have’ rapid eye movement (REM) sleep. In doing so, they relied predominantly on a template derived from the expression of REM sleep in the adults of a small number of mammalian species.
Blumberg, Mark   +4 more
openaire   +5 more sources

Role of corticosterone on sleep homeostasis induced by REM sleep deprivation in rats. [PDF]

open access: yesPLoS ONE, 2013
Sleep is regulated by humoral and homeostatic processes. If on one hand chronic elevation of stress hormones impair sleep, on the other hand, rapid eye movement (REM) sleep deprivation induces elevation of glucocorticoids and time of REM sleep during the
Ricardo Borges Machado   +2 more
doaj   +1 more source

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