Melanin-concentrating hormone (MCH): a new sleep factor?
Neurons that utilize the neuropeptide melanin-concentrating hormone (MCH) as a neuromodulator are mainly located in the lateral hypothalamus and the incerto-hypothalamic area, and have widespread projections throughout the brain.
Pablo eTorterolo+2 more
doaj +1 more source
A Fast-Slow Analysis of the Dynamics of REM Sleep
Waking and sleep states are regulated by the coordinated activity of a number of neuronal population in the brainstem and hypothalamus whose synaptic interactions compose a sleep-wake regulatory network.
Booth, Victoria, Diniz Behn, Cecilia G.
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a previously undescribed entity [PDF]
Background: There are few studies describing periodic limb movement syndrome (PLMS) in rapid eye movement (REM) sleep in patients with narcolepsy, restless legs syndrome, REM sleep behavior disorder, and spinal cord injury, and to a lesser extent, in ...
Gaede, Gunnar+5 more
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Coordination of cortical and thalamic activity during non-REM sleep in humans
Every night, the human brain produces thousands of downstates and spindles during non-REM sleep. Previous studies indicate that spindles originate thalamically and downstates cortically, loosely grouping spindle occurrence.
R. Mak-McCully+8 more
semanticscholar +1 more source
Chronic escitalopram treatment attenuated the accelerated rapid eye movement sleep transitions after selective rapid eye movement sleep deprivation: a model-based analysis using Markov chains [PDF]
BackgroundShortened rapid eye movement (REM) sleep latency and increased REM sleep amount are presumed biological markers of depression. These sleep alterations are also observable in several animal models of depression as well as during the rebound ...
A Novati+83 more
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Orexin-1 receptor blockade dysregulates REM sleep in the presence of orexin-2 receptor antagonism
In accordance with the prominent role of orexins in the maintenance of wakefulness via activation of orexin-1 (OX1R) and orexin-2 (OX2R) receptors, various dual OX1/2R antagonists have been shown to promote sleep in animals and humans.
Christine eDugovic+5 more
doaj +1 more source
Single‐channel EEG classification of sleep stages based on REM microstructure
Rapid‐eye movement (REM) sleep, or paradoxical sleep, accounts for 20–25% of total night‐time sleep in healthy adults and may be related, in pathological cases, to parasomnias.
Irene Rechichi+4 more
doaj +1 more source
Comparing the cardiac autonomic activity profile of daytime naps and nighttime sleep. [PDF]
Heart rate variability (HRV) is a reliable technique to evaluate autonomic activity and shows marked changes across a night of sleep. Previous nighttime sleep findings report changes in HRV during non-rapid eye movement sleep (NREM), which have been ...
Mednick, Sara C+2 more
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Introduction. Rapid eye movement (REM) sleep-related bradyarrhythmia syndrome is characterized by pathological asystoles during the REM sleep phase. It is a rare rhythm disorder, being reported only few times in the literature.
Gabrielius Jakutis+6 more
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Characterization of Sleep Stages by Correlations of Heartbeat Increments
We study correlation properties of the magnitude and the sign of the increments in the time intervals between successive heartbeats during light sleep, deep sleep, and REM sleep using the detrended fluctuation analysis method.
A. Bunde+45 more
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