Sleep
445 peer-reviewed studies indexed
Aperiodic 1/f noise drives ripple activity in humans.
Putative ripples largely index noise originating from region-, state-, and demand-dependent modulation of cortical background activity, with on average 77% of awake ripples in the medial temporal lobe reflecting false positives within the 1/f χ noise floor.
Association of weekday sleep duration and estimated glucose disposal rate: the role of weekend catch-up sleep.
This study revealed a significant inverted U-shaped relationship between weekday sleep duration and eGDR, identifying an optimal duration of approximately 7.32 hours, and that weekend catch-up sleep is beneficial only in moderation and specifically for those with weekday sleep debt, whereas it may be detrimental for those who already sleep sufficiently.
Neural sleep signatures in major depressive disorder: Altered oscillatory and aperiodic components.
MDD is characterized by reduced slow oscillation-spindle coupling and a flattened spectral slope during sleep, suggesting attenuated thalamocortical coordination that may represent a mechanistic link between sleep physiology and clinical symptoms.
Sleep Quality and Healthy Lifestyle Beliefs in Adolescents: The Mediating Role of Screen Exposure.
Screen exposure played a mediating role in the relationship between sleep quality and healthy lifestyle beliefs in adolescents, with increased screen exposure leading to decreases in both sleep quality and healthy lifestyle beliefs.
Impact of preoperative sleep disturbance on perioperative neurocognitive disorders in older adults undergoing major non-cardiac surgery: A multicenter prospective cohort study.
Untreated preoperative sleep disturbance independently predicts both early delirium and postoperative cognitive dysfunction after major non-cardiac surgery in older adults, with a PSQI≥10 effectively identifying high-risk patients.
[Differential study on sleep architecture and sleep subtypes in children with OSA in different weight states].
The prevalence of P-OSA was higher among overweight and obese groups, with the obese group experiencing the highest rates of severe OSA, more frequent hypoxemia, and reduced REM sleep duration.
Associations of sleep duration and nocturnal oxygenation with OCT-derived retinal arterial structure.
Sleep duration and nocturnal oxygen desaturation showed distinct associations with retinal arterial characteristics, suggesting that OCT-based vascular metrics may serve as noninvasive indicators of sleep-related microvascular alterations.
Synergistic impacts of physical activity and sleep on risk of dementia and all-cause mortality in chinese older stroke survivors.
Regular physical activity was associated with a 38% reduced risk of dementia and 44% lower risk of mortality in older Chinese stroke survivors, with sleep duration moderating these protective effects.
Obstructive sleep apnea comorbid with insomnia symptoms and objective short sleep duration is associated with incident hypertension.
The highest risk of incident hypertension was in the COMISA with insomnia short sleep duration phenotype (OR=4.25), and the additive effect of COMISA on hypertension risk is associated with the ISSD phenotype, the most severe biological phenotype of insomnia.
How Are Sleep, Settle, and Crying Behaviors in 2-Month-Olds Related to Concurrent Family Factors and Later Development?
Sleep, settle, and crying behaviors at 2 months were not significantly associated with later developmental outcomes including language, autistic traits, or hyperactivity, though family income and corrected age were significant predictors of these early behaviors.
Association of bedroom particulate matter, sleep quality and next-day physical performance.
PM2.5 was significantly associated with a reduction in both the proportion of deep sleep and next-day long-distance running performance, with its negative association with running performance exacerbated by high CO2 levels (3,961 ppm) during sleep.
Association of sleep duration and quality with small dense low-density lipoprotein cholesterol.
Poor sleep quality is associated with unfavorable lipid profiles, especially elevated sdLDL-C levels, independent of confounders including sleep duration.
Psychosocial outcomes among adults with type 1 diabetes using a tubeless automated insulin delivery system compared with sensor augmented pump therapy: A randomised, parallel-group clinical trial sub-study.
Use of a tubeless AID system improved psychosocial measures to a greater extent than SAP therapy in adults with type 1 diabetes across health-related quality of life, diabetes impact, sleep quality, and system usability.
Associations between regulatory problems in early childhood and parental feeding practices, child eating behaviour, and weight: A systematic review and narrative synthesis.
While eating problems in early childhood are linked to feeding practices and weight, the evidence is less clear on the role of emotion and sleep regulation difficulties in shaping these trajectories.
Prefrontal activation and inhibitory performance in the association between anxiety and sleep quality: An fNIRS investigation.
DLPFC activation and inhibitory control serve as neurocognitive pathways linking anxiety and sleep quality, with serial mediation analysis showing that dorsolateral PFC activation and inhibitory performance sequentially mediated the relationship between anxiety and sleep quality.
Sleep midpoint, social jetlag, and cancer risk in the Cancer Prevention Study-3.
Sleep midpoint and social jetlag were not significantly associated with overall cancer or breast cancer-specific risk among US adults in the Cancer Prevention Study-3.
Sleep-Aligned Extended Overnight Fasting Improves Nighttime and Daytime Cardiometabolic Function.
Extending overnight fasting duration by 3 hours in alignment with sleep improved cardiometabolic health in middle-aged/older adults by strengthening coordination between circadian- and sleep-regulated autonomic and metabolic activity.
Sleep in children with spinal muscular atrophy and their caregivers: Exploring sleep problems and the need for care.
Sleep problems beyond sleep-disordered breathing are more common in children with SMA than typically developing children, and caregivers of children with SMA report lower sleep satisfaction and more frequent sleep deprivation.
The role of sleep efficiency in 24-h blood pressure variability.
Among adults with elevated blood pressure, better sleep efficiency, but not longer sleep duration or perceived sleep quality, was linked to lower short-term blood pressure variability.
Sleep Duration and Prostate Cancer Risk in the Southern Community Cohort Study.
Shorter sleep duration (<6 h) was suggestively associated with a decreased risk of prostate cancer, particularly among Non-Hispanic Black men, but sleep duration was not associated with aggressive prostate cancer.
Understanding the dynamic association between sleep quality and mood in children and adolescents with cerebral palsy.
Findings highlight both between-person and within-person associations between sleep quality and mood in youth with CP, with bidirectional associations observed at the between-person level and unidirectional associations at the within-person level.
Associations between different types of screen-based sedentary behavior and sleep among Chinese children and adolescents.
Daily short-video watching and online gaming were associated with lower likelihood of insufficient sleep, while daily online shopping was associated with higher likelihood of insufficient sleep among Chinese children and adolescents, with associations varying across demographic subgroups.
Legumes and nuts intake in relation to sleep duration and quality, oxidative stress and inflammation in Iranian adults.
Higher intake of legumes and nuts was significantly associated with lower odds of short sleep duration and poor sleep quality in a dose-response manner among Iranian adults, with associations more pronounced in females.
Sleep awake detection from leg-worn wearables using deep sensor fusion.
A deep learning late-fusion CNN-BiLSTM model using leg-worn multimodal wearable data achieved an area under the ROC curve of 90.94% for sleep-wake detection in children referred for ADHD evaluation, demonstrating the feasibility of leg-based multimodal sensing for noninvasive sleep monitoring in pediatric neurodevelopmental populations.
Depressive symptoms, sleep quality, and mortality risk in heavy drinkers: a National Health and Nutrition Examination Survey cohort study.
Sleep disorders and depressive symptoms were significantly associated with higher all-cause mortality in heavy drinkers, with the highest mortality risk observed in men and middle-aged individuals (40-60 years) with comorbid conditions.
Trends in sleep patterns among Czech adolescents and their current correlates of late bedtimes and social jet lag: HBSC study 2014-2022.
Sleep duration among Czech adolescents significantly decreased and insufficient sleep significantly increased between 2014 and 2022, while late bedtimes and social jet lag were associated with higher odds of skipping breakfast, energy drink consumption, alcohol use, reduced psychological wellbeing, low life satisfaction, irritability, and problematic social media and internet gaming use.
Association of Sleep Quality and Psychosocial Adjustment in Dialysis Patients.
Having insomnia was significantly associated with greater difficulty in psychosocial adjustment across multiple domains including vocational environment, domestic environment, sexual relationships, extended family relationships, social environment, and psychological distress in dialysis patients.
Cross-species evidence for a developmental origin of adult hypersomnia with loss of synaptic adhesion molecules beat-Ia/CADM2.
Cross-species evidence implicates synaptic adhesion molecules beat-Ia/CADM2 in excessive sleepiness through a developmental function in neuropeptide F neurite elaboration, with NPY receptor agonism restoring normal sleep in zebrafish lacking CADM2.
How sleeping minds decide: State-specific reconfigurations of lexical decision-making.
Sleep involves dynamic and state-specific reconfiguration of the computational mechanisms underlying decision-making, rather than a passive decline, with lexical decision-making preserved during N1 and lucid REM sleep but relying on distinct computational strategies.
The effect of sleep hygiene education on sleep quality and blood pressure in patients with essential hypertension in a family practice center: a randomized controlled trial.
Sleep hygiene education delivered in a primary care setting significantly improved sleep quality and reduced blood pressure levels in patients with essential hypertension.
Machine Learning-Based Sleep Electroencephalographic Brain Age Index and Dementia Risk: An Individual Participant Data Meta-Analysis.
Each 10-year increase in sleep EEG-based brain age index was associated with a 39% higher risk of incident dementia across five community-based cohorts, highlighting its potential as a noninvasive digital marker for early dementia detection.
Directed cortico-limbic dialogue in the human brain.
By repeatedly probing cortico-limbic networks with electrical pulses on a single-trial basis, this study found that limbic structures send twice as many signals as they receive in both wakefulness and sleep, challenging established views of cortico-limbic communication.
Objective and subjective sleep assessment in systemic lupus erythematosus and association with disease characteristics and quality of life.
SLE profoundly impacts all domains of life, with worse sleep quality reported in SLE patients by both subjective and objective measures, and objective measures like the Withings Sleep Analyzer can help provide measurable outcomes in chronic diseases.
[Association between cosleeping and emotional-behavioral problems and its differences with or without sleep anxiety in preschool children].
The association between cosleeping and emotional-behavioral problems differs depending on the presence of sleep anxiety in preschool children: cosleeping is linked to fewer emotional-behavioral problems for children with sleep anxiety, whereas it is associated with more emotional-behavioral problems for children without sleep anxiety.
Faster and Superior Functional Recovery and Sleep Quality with Steroid Injection Versus Physical Therapy for Partial-Thickness Supraspinatus Tendon Rupture.
Both steroid injection and physical therapy improved functional results and sleep quality in partial-thickness supraspinatus tendon rupture, but the steroid injection group demonstrated earlier and greater improvement in sleep quality while functional outcomes were similar between groups.
Investigation of psychological and sleep states in patients with Intracerebral hemorrhage and analysis of influencing Factors: A Single-Center Case-Control study.
Psychological issues in ICH patients, though prevalent, declined over time, affected by patient characteristics (physical function, socioeconomic status), caregiver dynamics, and multidimensional psychological interactions.
Sleep Health in Critically Ill Children With Acute Respiratory Failure.
Critically ill children demonstrated disrupted sleep health, with irregular PICU sleep behaviors, frequent sedation, little daytime activity consolidation, and short fragmented sleep episodes that rarely matched baseline sleep patterns.
Association between 24-h movement behavior and mental health among Chinese college students: A compositional data analysis.
24-h movement behavior priorities differ by mental health outcome among Chinese college students, with reducing sedentary behavior and maintaining minimal MVPA most relevant for depression, sleep optimization central for anxiety, and stress benefiting from adequate sleep combined with less sedentary behavior and preserved MVPA, with sedentary and sleep targets more pronounced in women.
Decomposition of racial and ethnic disparities in sleep health among US adults, NHANES from 2005-2008 and 2015-2018.
Education level, age, food security, and BMI substantially contribute to racial and ethnic disparities in average healthy sleep scores among US adults.
The role of sleep deprivation in prostate cancer and a preliminary exploration of its mechanisms.
Sleep deprivation may accelerate prostate cancer progression by activating the CXCL13/CXCR5/JNK signaling axis, as demonstrated through clinical questionnaire data linking worse sleep quality to higher Gleason scores and in vivo mouse models showing accelerated tumor growth.
Change in sleep duration following a cancer diagnosis.
Participants who received a cancer diagnosis had higher odds of increasing sleep duration (OR = 1.16, 95% CI 1.07, 1.27) compared to participants who did not receive a cancer diagnosis, suggesting that a cancer diagnosis may contribute to increased sleep duration beyond expected age-related changes.
Polygenic Index for Sleep Duration and Brain Changes over Time.
Sleep duration polygenic score was associated with changes in the brain in cognitively healthy adults, with genetic predisposition for longer sleep duration associated with more favorable longitudinal trajectories against brain decline, a result mostly driven by younger adults.
Associations of adverse childhood experiences and sleep in adulthood and older age: A nationwide cohort study.
ACEs are associated with shorter sleep duration and poorer sleep quality in middle-aged and older adults, with each additional ACE increasing the risk of incident inadequate sleep and sleep disturbance, and the associations varied across ACEs exposure patterns.
The Role of Peanuts and Tree Nuts in Improving Diet and Sleep Quality: A Pilot Study and Literature Review.
Nut consumption was associated with greater diet quality scores and better self-reported sleep quality among undergraduate students, and a review of existing RCTs found that nut intake may improve sleep quality but with significant heterogeneity across trials.
Assessment of sleep quality and its relationship with stress and anxiety, and attitudes toward sleep among adults in Riyadh, Saudi Arabia.
This study emphasizes a robust relationship between inadequate sleep quality and psychological factors, with dysfunctional beliefs about sleep, stress, and anxiety all significantly associated with poorer sleep quality among adults in Riyadh, Saudi Arabia.
Subjective and objective sleep measurements in ICU Patients: A longitudinal analysis of 706 sleep episode pairs.
Subjective and objective sleep assessments correlate only modestly in ICU patients, indicating each method captures unique information, and reliance on a single assessment method may result in incomplete understanding of sleep disruption.
Association between sleep duration and chronic lung diseases among Chinese middle-aged and older adults: A cross-sectional study.
Short sleep duration (less than 7 hours) was positively associated with chronic lung diseases in Chinese middle-aged and older adults, with a non-linear relationship existing between sleep duration and CLDs.
Autonomic regulation across sleep and wake during an Antarctic overwintering.
Prolonged isolation and the polar night independently influence autonomic regulation, with increasing isolation associated with decreased parasympathetic activity during wakefulness and increased parasympathetic activity during sleep, while the polar night was associated with decreased parasympathetic activity during sleep.
Associations of chrono-nutrition with sleep and quality of life: The Maastricht Study.
Higher meal frequency, meal irregularity, and longer time-window of caloric intake were associated with poorer sleep quality and lower quality of life, while a longer interval between the last meal and bedtime was associated with better sleep quality and higher mental and physical functioning.
A unified time-frequency foundation model for sleep decoding.
SleepGPT, a time-frequency foundation model based on generative pretrained transformer, sets a new benchmark for sleep decoding tasks by achieving superior performance in sleep staging, pathology classification, data generation, and spindle detection across diverse polysomnography datasets.