Results 31 to 40 of about 1,939,644 (248)

Sleep and cognition [PDF]

open access: yes, 2014
Sleep is an ancestral and primitive behaviour, an important part of life thought to be essential for restoration of body and mind. As adults, we spend approximately a third of our lives asleep and as we progress through life there are certain shifts in ...
Wright, Hayley   +11 more
core   +1 more source

Boundary-Dependent Sleep-Wake Dysregulation in Idiopathic Hypersomnia. [PDF]

open access: yesAnn Clin Transl Neurol
ABSTRACT Objective Idiopathic hypersomnia (IH) presents with excessive daytime sleepiness (EDS) despite apparently preserved nocturnal sleep, challenging traditional models of hypersomnolence based on sleep loss or fragmentation. We aimed to test the hypothesis that EDS in IH reflects excessive stabilization of the sleep state, consistent with ...
Mombelli S   +13 more
europepmc   +2 more sources

Circadian and ultradian NREM-REM sleep modulation of dream recall : effects of age and spectral activity [PDF]

open access: yes, 2011
This thesis deals with the electrophysiological correlates of sleep prior to dream recall and the age-related effects on dream processing. The dual NREM/REM sleep cycle and the circadian modulation of REM sleep sum to generate dream processing.
Laxhmi Chellappa, Sarah
core   +1 more source

CSF and serum ferritin levels in narcolepsy type 1 comorbid with restless legs syndrome

open access: yesAnnals of Clinical and Translational Neurology, 2020
Objectives To investigate whether cerebrospinal fluid (CSF) and serum ferritin levels differ between patients with narcolepsy type 1 (NT1) comorbid with restless legs syndrome (RLS) or periodic leg movements during sleep (PLMS), and patients with NT1 or ...
Lucie Barateau   +8 more
doaj   +1 more source

Similarities and differences between the diagnostic criteria of ICD-11 and DSM-5 for sleep-wake disorders

open access: yesSichuan jingshen weisheng, 2021
This paper aims to discuss the similarities and differences between the diagnostic criteria for sleep-wake disorders in the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) and International Classification of Diseases ...
Xiao Qian, Zhang Daolong
doaj   +1 more source

Circadian Rhythm Sleep Disorders: Genetics, Mechanisms, and Adverse Effects on Health

open access: yesFrontiers in Genetics, 2022
Nearly all living organisms, from cyanobacteria to humans, have an internal circadian oscillation with a periodicity of approximately 24 h. In mammals, circadian rhythms regulate diverse physiological processes including the body temperature, energy ...
Chaoran Liu   +6 more
doaj   +1 more source

Clinical sleep-wake disorders II: Focus on insomnia and circadian rhythm sleep disorders. [PDF]

open access: yes, 2019
Insomnia and circadian rhythm sleep disorders affect large proportions of the population and have pronounced effects on quality of life and daytime performance.
Spiegelhalder, Kai   +2 more
core   +1 more source

Transdiagnostic association between subjective insomnia and depressive symptoms in major psychiatric disorders

open access: yesFrontiers in Psychiatry, 2023
In psychiatric disorders, comorbid depressive symptoms are associated with clinically important issues such as reduced quality of life, a poor prognosis, and increased suicide risk.
Suguru Nakajima   +14 more
doaj   +1 more source

Sleep disorders & Hormones: how are they related? [PDF]

open access: yesBatna Journal of Medical Sciences, 2022
The endocrino-metabolic function is modulated by the hormonal nycthemeral rhythm and sleep-wake cycle. The sleep architecture is hormone-dependant and the rhythmicity of hormonal secretions is fundamental.
Chaouki Feryel   +2 more
doaj   +1 more source

Do dreams protect sleep? Testing the Freudian hypothesis of the function of dreams [PDF]

open access: yes, 2012
Includes bibliographical references.A review of the literature indicates that a physiological function for dreaming has not yet been empirically established.
Cameron-Dow, Catherine
core   +1 more source

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