Results 81 to 90 of about 20,113 (231)

Multidimensional frailty and sleep quality in late adulthood: A UK biobank examination

open access: yesJournal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Frailty and sleep disturbances are two major concerns in late adulthood, that not only profoundly threaten health and wellbeing at the individual level but place enormous demands on our healthcare systems. Given that both constructs represent dynamic states that are preventable and reversible, understanding the potential pathways to and effects
Sarah P. Coundouris   +2 more
wiley   +1 more source

Prevalence and Risk Factors for Obstructive Sleep Apnea in São Paulo: Findings From the 4th Edition of the EPISONO Study

open access: yesJournal of Sleep Research, EarlyView.
ABSTRACT Obstructive sleep apnea (OSA) affects around 936 million individuals worldwide, making it the most prevalent breathing‐related sleep disorder. The aim was to estimate the prevalence of OSA in São Paulo, Brazil, based on data from the São Paulo Epidemiologic Sleep Study (EPISONO) 4th edition.
Sergio Tufik   +3 more
wiley   +1 more source

The hidden clock: how chronotype is related to depression, anxiety, and stress in adolescents – insights from the EHDLA study

open access: yesInternational Journal of Mental Health Systems
Background Depression, anxiety, and stress symptoms are common among adolescents; however, studies exploring their relationship with chronotype in European youth populations is scarce.
Camila Miño   +7 more
doaj   +1 more source

Sleep duration, sleep variability, and impairments of visual attention [PDF]

open access: yes, 2019
Attentional networks are sensitive to sleep deprivation. However, variation in attentional performance as a function of normal sleep parameters is under-studied.
Akram, Umair   +4 more
core   +3 more sources

Influence of Chronotype on Cycling Performance in Simulated 20‐km Time Trials—A Pilot Study

open access: yesJournal of Sleep Research, EarlyView.
Evening‐type athletes show improved cycling performance later in the day, whilst morning types peak earlier. These differences appear linked to variations in mental readiness and sleepiness, highlighting the importance of considering chronotype in performance planning.
Sabrina Forster   +6 more
wiley   +1 more source

Predictors of poor sleep quality among Lebanese university students: association between evening typology, lifestyle behaviors, and sleep habits [PDF]

open access: yes, 2014
Adequate, good night sleep is fundamental to well-being and is known to be influenced by myriad biological and environmental factors. Given the unavailability of sleep data about Lebanon, the cultural shifts and socioeconomic pressures that have affected
Duffy, Jeanne F   +2 more
core   +1 more source

Acute Effects of Sleep Extension on Fatigue, Inhibitory Control, Short‐Term Vigilance and Neuromuscular Function in Youth Elite Ice Hockey Players: A Randomised Crossover Trial

open access: yesJournal of Sleep Research, EarlyView.
Scheduling a 10‐h sleep opportunity (sleep extension) in elite youth athletes increased total sleep time by approximately 1 h compared to normal sleep. Cognitive performance on an inhibitory control task (20‐min colour multisource interference task; cMSIT) improved after sleep extension, and this was accompanied by an overall lower perception of ...
Giorgio Varesco   +6 more
wiley   +1 more source

Chronotype Predicts Body Mass Index via Emotion Regulation Strategy Use and Emotional Eating

open access: yesBrain and Behavior
Introduction Rates of obesity are increasing across all regions representing a critical public health concern. An evening chronotype has been associated with elevated body mass index and a less nutritious diet.
Gregory S. Keenan   +2 more
doaj   +1 more source

The Cognitive Costs of Sleep Deprivation in Ultra‐Endurance Cycling: Insights From the Race Across France

open access: yesJournal of Sleep Research, EarlyView.
ABSTRACT For athletes in endurance sports, who compete over several days and in unpredictable conditions, managing sleep–wake rhythms is critical to ensure optimal performance and minimise the risks to safety. Despite its growing popularity, the role of sleep management on ultracycling performance has received little attention.
Rémy Hurdiel   +4 more
wiley   +1 more source

Nonlinear and symptom specific associations between chronotype and depression

open access: yesScientific Reports
The chronotype of individuals has been found to be predictive of depression risk and associated with the severity of depression. However, since depression is a phenotypically heterogeneous disease, it seems improbable that chronotype plays a role in ...
Lennart Seizer   +2 more
doaj   +1 more source

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