Results 11 to 20 of about 1,173,942 (316)

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

Migraine and Sleep Disorders: A Narrative Review [PDF]

open access: yes, 2020
Headaches and sleep problems are burdensome in daily life. They can co-occur and aggravate each other. The prevalence of sleep disorders is high in chronic headache and migraine patients, suggesting a close clinical relationship between these conditions.
이원우   +3 more
core   +1 more source

The Natural History of Insomnia: Acute Insomnia and First-onset Depression [PDF]

open access: yes, 2013
Study Objectives: While many studies have examined the association between insomnia and depression, no studies have evaluated these associations 1) within a narrow time frame, 2) with specific reference to acute & chronic insomnia, and 3) using ...
Michael L. Perlis   +13 more
core   +1 more source

Expert Consensus on Digital Therapies for Insomnia in China [PDF]

open access: yesZhongguo quanke yixue
Insomnia is the most common sleep disorder, which not only causes individual health damage, but also brings heavy social and economic burden. The traditional insomnia treatment model has the disadvantages of complicated process and high cost.
China Sleep Research Society
doaj   +1 more source

Edge‐modulated stagnant‐lid convection and volcanic passive margins

open access: yesGeochemistry, Geophysics, Geosystems, 2007
The initial oceanic crust along volcanic passive margins is a factor of ∼3 greater than that of typical oceanic crust (20 versus 6–7 km). Convection driven by the edge of the continental lithosphere may cause mantle material to circulate through the ...
Norman H. Sleep
doaj   +1 more source

Associations Between Biomarkers of Alzheimer's Disease and Sleep in Cognitively Unimpaired Older Adults. [PDF]

open access: yesAnn Clin Transl Neurol
ABSTRACT Objective Sleep disturbances have been implicated as a risk factor for developing Alzheimer's disease (AD), but evidence linking plasma AD biomarkers to sleep in cognitively unimpaired individuals remains limited. The present study examined associations between evening, morning, and overnight changes in plasma AD biomarkers and measures of ...
Sauter C   +5 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

Better quality sleep promotes daytime physical activity in patients with chronic pain? : A multilevel analysis of the within-person relationship [PDF]

open access: yes, 2014
Background: Promoting physical activity is key to the management of chronic pain, but little is understood about the factors facilitating an individual’s engagement in physical activity on a day-to-day basis. This study examined the within-person effect
Tang Nicole K. Y.   +9 more
core   +2 more sources

Chinese Guideline for Diagnosis and Treatment of Co-morbid Insomnia and Obstructive Sleep Apnea (2024) [PDF]

open access: yesZhongguo quanke yixue
When insomnia and obstructive sleep apnea (OSA) coexist, it is referred to as comorbid insomnia and obstructive sleep apnea (COMISA). The prevalence of COMISA in the general population ranges from 0.6% to 19.3%.
Chinese Academy Society of Sleep Medicine, Chinese Medical Doctor Association, Sleep Medicine Group, China Neurologist Association
doaj   +1 more source

The impact of central and obstructive respiratory events on cerebral oxygenation in adults with sleep disordered breathing

open access: yesJournal of Innovative Optical Health Sciences, 2023
Obstructive sleep apnea (OSA) and central sleep apnea (CSA) are two main types of sleep disordered breathing (SDB). While the changes in cerebral hemodynamics triggered by OSA events have been well studied using near-infrared spectroscopy (NIRS), they ...
Ramin Khatami   +4 more
doaj   +1 more source

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