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2,195 Results Found

  • Opinion
  • Open Access
5 Citations
6,421 Views
9 Pages

Sleep Research in the Era of AI

  • Pinar Göktepe-Kavis,
  • Florence M. Aellen,
  • Sigurd L. Alnes and
  • Athina Tzovara

The field of sleep research is both broad and rapidly evolving. It spans from the diagnosis of sleep-related disorders to investigations of how sleep supports memory consolidation. The study of sleep includes a variety of approaches, starting with th...

  • Review
  • Open Access
35 Citations
7,013 Views
21 Pages

This study examined sleep research in athletes published between 1966 and 2019, through a bibliometric analysis of research output in the Scopus database. Following a robust assessment of titles, the bibliometric indicators of productivity for studie...

  • Tutorial
  • Open Access
97 Citations
10,656 Views
10 Pages

How to Report Light Exposure in Human Chronobiology and Sleep Research Experiments

  • Manuel Spitschan,
  • Oliver Stefani,
  • Peter Blattner,
  • Claude Gronfier,
  • Steven W. Lockley and
  • Robert J. Lucas

Exposure to light has short- and long-term impacts on non-visual responses in humans. While many aspects related to non-visual light sensitivity have been characterised (such as the action spectrum for melatonin suppression), much remains to be eluci...

  • Review
  • Open Access
6 Citations
3,486 Views
9 Pages

Sleep studies in psychiatric disorders date back to the first half of the 20th century. So far, success in establishing disease-specific sleep-related biomarkers has been quite limited. This is particularly obvious regarding insomnia, where there is...

  • Conference Report
  • Open Access
2,996 Views
21 Pages

The 2021 meeting in Solothurn provided evidence-based education to advance the science and clinical practice of sleep medicine and sleep physiology, disseminates cutting-edge sleep and circadian research, promotes the translation of basic science int...

  • Meeting Report
  • Open Access
3,816 Views
21 Pages

20 September 2019

We are pleased to present you with this Special Issue of Clocks & Sleep, the abstracts of the 2019 annual meeting of the Swiss Society for Sleep Research, Sleep Medicine, and Chronobiology (SSSSC), which took place in Fribourg, 27 and 28 June [.....

  • Article
  • Open Access
5 Citations
5,256 Views
23 Pages

20 May 2022

With the rapid development of science and technology, social competition becomes more and more fierce, and work pressure becomes more and more intense. The problem of sleep has become a disease of modern civilization, and in order to alleviate sleep...

  • Review
  • Open Access
20 Citations
10,127 Views
14 Pages

Wearable Light-and-Motion Dataloggers for Sleep/Wake Research: A Review

  • Konstantin V. Danilenko,
  • Oliver Stefani,
  • Kirill A. Voronin,
  • Marina S. Mezhakova,
  • Ivan M. Petrov,
  • Mikhail F. Borisenkov,
  • Aleksandr A. Markov and
  • Denis G. Gubin

20 November 2022

Long-term recording of a person’s activity (actimetry or actigraphy) using devices typically worn on the wrist is increasingly applied in sleep/wake, chronobiological, and clinical research to estimate parameters of sleep and sleep-wake cycles....

  • Review
  • Open Access
6 Citations
4,225 Views
15 Pages

Sleep Profiles in Eating Disorders: A Scientometric Study on 50 Years of Clinical Research

  • Alessandro Carollo,
  • Pengyue Zhang,
  • Peiying Yin,
  • Aisha Jawed,
  • Dagmara Dimitriou,
  • Gianluca Esposito and
  • Stephen Mangar

Sleep and diet are essential for maintaining physical and mental health. These two factors are closely intertwined and affect each other in both timing and quality. Eating disorders, including anorexia nervosa and bulimia nervosa, are often accompani...

  • Article
  • Open Access
108 Citations
52,560 Views
12 Pages

Smartphone Addiction and Sleep Quality on Academic Performance of University Students: An Exploratory Research

  • Balan Rathakrishnan,
  • Soon Singh Bikar Singh,
  • Mohammad Rahim Kamaluddin,
  • Azizi Yahaya,
  • Mohd Azrin Mohd Nasir,
  • Fauziah Ibrahim and
  • Zaizul Ab Rahman

This study was conducted to examine the relationship between smartphone addiction, sleep quality, and academic performance. The study presented quantitative research on 323 students in a public university in Sabah to explore the relationship between...

  • Review
  • Open Access
26 Citations
9,421 Views
18 Pages

4 March 2021

Obstructive sleep apnea (OSA), a common sleep disorder disease, affects millions of people. Without appropriate treatment, this disease can provoke several health-related risks including stroke and sudden death. A variety of treatments have been intr...

  • Article
  • Open Access
34 Citations
59,761 Views
16 Pages

Evaluating Accuracy in Five Commercial Sleep-Tracking Devices Compared to Research-Grade Actigraphy and Polysomnography

  • Kyle A. Kainec,
  • Jamie Caccavaro,
  • Morgan Barnes,
  • Chloe Hoff,
  • Annika Berlin and
  • Rebecca M. C. Spencer

19 January 2024

The development of consumer sleep-tracking technologies has outpaced the scientific evaluation of their accuracy. In this study, five consumer sleep-tracking devices, research-grade actigraphy, and polysomnography were used simultaneously to monitor...

  • Review
  • Open Access
26 Citations
8,247 Views
12 Pages

6 March 2020

Poor sleep quality is highly prevalent in modern societies and negatively linked to various health outcomes. While previous research has demonstrated preliminary evidence for self-compassion as a tool for improving sleep quality, this review provides...

  • Article
  • Open Access
11 Citations
4,409 Views
14 Pages

This study aimed to produce a list of the top 10 research priorities regarding physical activity, sedentary behavior, and sleep in pregnancy. Using the Delphi methodology, pregnant/postpartum individuals (N = 118), exercise professionals and healthca...

  • Article
  • Open Access
268 Citations
21,339 Views
11 Pages

5 May 2016

Polysomnography (PSG) is the “gold standard” for monitoring sleep. Alternatives to PSG are of interest for clinical, research, and personal use. Wrist-worn actigraph devices have been utilized in research settings for measures of sleep for over two d...

  • Review
  • Open Access
53 Citations
7,809 Views
12 Pages

Over the past twenty years we have seen a vast number of epidemiological studies emerge on the topic of obesity and sleep duration, with a focus on body mass index, as it is easy and cheap to measure and analyse. Such studies largely observe that cro...

  • Article
  • Open Access
11 Citations
3,795 Views
13 Pages

While sleep research has focused primarily on aspects of the immediate physical environment and behavioral factors, a growing body of evidence suggests that broader social determinants may play an important role in sleep insufficiency. Yet public hea...

  • Article
  • Open Access
14 Citations
5,973 Views
15 Pages

Validity of a Novel Research-Grade Physical Activity and Sleep Monitor for Continuous Remote Patient Monitoring

  • Bríd McDevitt,
  • Lisa Moore,
  • Nishat Akhtar,
  • James Connolly,
  • Rónán Doherty and
  • William Scott

13 March 2021

In the midst of the COVID-19 pandemic, Remote Patient Monitoring technologies are highly important for clinicians and researchers. These connected-health technologies enable monitoring of patients and facilitate remote clinical trial research while r...

  • Perspective
  • Open Access
1,730 Views
31 Pages

21 October 2025

Since the earliest investigations into the impact of sleep-related breathing disorders on cardiovascular risk, the association between sleep–wake disorders and major cerebrovascular events has been increasingly and robustly established. Recent...

  • Article
  • Open Access
9 Citations
3,784 Views
19 Pages

Psychological Screening for Exceptional Environments: Laboratory Circadian Rhythm and Sleep Research

  • Stephen A. Amira,
  • Brenda L. Bressler,
  • Jung Hie Lee,
  • Charles A. Czeisler and
  • Jeanne F. Duffy

Selecting participants who constitute a representative sample while protecting them from potential adverse outcomes is a concern for clinical researchers. Our research group conducts deep phenotyping studies of the circadian timing system and sleep&n...

  • Article
  • Open Access
1,287 Views
19 Pages

10 October 2025

This study proposes a Personalized Deep Learning-Based Sleep Recommendation System Using Lifelog Data (PDSRS-LD). Traditional sleep research primarily relies on bio signals such as EEG and ECG recorded during sleep but often fails to sufficiently ref...

  • Review
  • Open Access
1 Citations
3,740 Views
16 Pages

Periodontal Disease and Obstructive Sleep Apnea: Shared Mechanisms, Clinical Implications, and Future Research Directions

  • Serena Incerti Parenti,
  • Claudio Cesari,
  • Veronica Della Godenza,
  • Matteo Zanarini,
  • Francesca Zangari and
  • Giulio Alessandri Bonetti

8 January 2025

This review explores the emerging relationship between obstructive sleep apnea (OSA) and periodontal disease (PD), emphasizing shared inflammatory pathways, overlapping risk factors, and potential systemic health implications. Both conditions are cha...

  • Article
  • Open Access
19 Citations
6,213 Views
10 Pages

Accuracy of the GENEActiv Device for Measuring Light Exposure in Sleep and Circadian Research

  • Julia E. Stone,
  • Elise M. McGlashan,
  • Elise R. Facer-Childs,
  • Sean W. Cain and
  • Andrew J. K. Phillips

Light is a variable of key interest in circadian rhythms research, commonly measured using wrist-worn sensors. The GENEActiv Original is a cost-effective and practical option for assessing light in ambulatory settings. With increasing research on hea...

  • Review
  • Open Access
16 Citations
7,284 Views
13 Pages

15 August 2022

Patients with advanced cancer experience multiple symptoms, with fluctuating intensity and severity during the disease. They use several medications, including opioids, which may affect sleep. Sleep disturbance is common in cancer patients, decreases...

  • Article
  • Open Access
9 Citations
3,814 Views
10 Pages

Risk of Infertility in Males with Obstructive Sleep Apnea: A Nationwide, Population-Based, Nested Case-Control Study

  • Pin-Yao Lin,
  • Hua Ting,
  • Yen-Ting Lu,
  • Jing-Yang Huang,
  • Tsung-Hsien Lee,
  • Maw-Sheng Lee and
  • James Cheng-Chung Wei

Obstructive sleep apnea (OSA) yields intermittent hypoxia, hypercapnia, and sleep fragmentation. OSA is associated with chronic medical conditions such as cardiovascular diseases, metabolic syndrome, and neurocognitive dysfunction. However, the risk...

  • Article
  • Open Access
1 Citations
3,528 Views
16 Pages

Circadian Rhythm and Sleep Analyses in a Fruit Fly Model of Fragile X Syndrome Using a Video-Based Automated Behavioral Research System

  • Sara Milojevic,
  • Arijit Ghosh,
  • Vedrana Makevic,
  • Maja Stojkovic,
  • Maria Capovilla,
  • Tomislav Tosti,
  • Dejan Budimirovic and
  • Dragana Protic

Fragile X syndrome (FXS) is caused by the full mutation in the FMR1 gene on the Xq27.3 chromosome region. It is the most common monogenic cause of autism spectrum disorder (ASD) and inherited intellectual disability (ID). Besides ASD and ID and other...

  • Article
  • Open Access
6 Citations
4,632 Views
15 Pages

Obstructive Sleep Apnea is emerging as a global health epidemic, particularly due to the obesity pandemic. However, comprehensive prevalence data are still lacking and global OSA research has not yet been structurally evaluated. Using the latest comp...

  • Article
  • Open Access
8 Citations
4,520 Views
15 Pages

Research on the Anti-Fatigue Effects and Mechanisms of Arecoline in Sleep-Deprived Mice

  • Danyang Wang,
  • Yuan Sun,
  • Jiameng Liu,
  • Jing Sun,
  • Bei Fan,
  • Cong Lu and
  • Fengzhong Wang

21 August 2024

The betel nut is one of the most widely consumed addictive substances in the world after nicotine, ethanol, and caffeine. Arecoline is an active ingredient from the areca nut. It has many pharmacological effects and can affect the central nervous sys...

  • Article
  • Open Access
2,189 Views
17 Pages

Increased Risk for Clinically Significant Sleep Disturbances in Mild Traumatic Brain Injury: An Approach to Leveraging the Federal Interagency Traumatic Brain Injury Research Database

  • Maya E. O’Neil,
  • Danielle Krushnic,
  • William C. Walker,
  • David Cameron,
  • William Baker-Robinson,
  • Sara Hannon,
  • Kate Clauss,
  • Tamara P. Cheney,
  • Lawrence J. Cook and
  • Aaron M. Martin
  • + 3 authors

14 September 2024

Study Objectives: The Federal Interagency Traumatic Brain Injury Research (FITBIR) Informatics System contains individual-patient-level traumatic brain injury (TBI) data, which when combined, allows for the examination of rates and outcomes for key s...

  • Protocol
  • Open Access
7,163 Views
14 Pages

Orofacial Myofunctional Therapy: Investigating a Novel Therapeutic Approach for Pediatric Obstructive Sleep Apnea in Children with and Without Down Syndrome—A Study Protocol

  • Jolien Verbeke,
  • Iris Meerschman,
  • Karlien Dhondt,
  • Els De Leenheer,
  • Julie Willekens,
  • Kristiane Van Lierde and
  • Sofie Claeys

Background/Objectives: Pediatric obstructive sleep apnea (OSA) is a prevalent medical condition, affecting 1–5% of non-syndromic children and 30–90% of children with Down syndrome. Given the severity of the condition and the associated he...

  • Systematic Review
  • Open Access
5,264 Views
23 Pages

Progress in Research on the Mechanism of GABA in Improving Sleep

  • Shuyu Li,
  • Yanhui Li,
  • Chunxu Xue,
  • Ying Zhang,
  • Tong Tong,
  • Zijun Ouyang,
  • Dong Liu,
  • Jun Cai and
  • Haiyan Sun

11 November 2025

Sleep disorders represent a growing global health concern with significant socio-economic impacts. GABA, a natural bioactive compound abundant in various fermented foods, especially probiotic-fermented foods, has garnered increasing attention for its...

  • Editorial
  • Open Access
2 Citations
9,811 Views
2 Pages

Exciting new discoveries in the circadian and sleep field have mushroomed in the past 10 years, culminating in the 2017 Nobel Prize in Physiology or Medicine being awarded to Jeffrey C. Hall, Michael Rosbash, and MichaelW. Young for their discoveries...

  • Article
  • Open Access
3 Citations
2,469 Views
12 Pages

Research on Sleep Dynamics in Cleft Lip and Palate Patients Using Simple Sleep Testing

  • Naoko Nemoto,
  • Hitoshi Kawanabe,
  • Kazunori Fukui,
  • Akihiko Oyama,
  • Toru Okamoto and
  • Kazuhiro Shimamura

23 November 2023

Sleep-disordered breathing affects children’s growth and development, mental health, and learning ability. Postoperative scarring causes anteroposterior and vertical developmental disorders of the maxilla. Obstructive apnea is likely to occur d...

  • Article
  • Open Access
1 Citations
2,670 Views
19 Pages

Prototype of a Multimodal and Multichannel Electro-Physiological and General-Purpose Signal Capture System: Evaluation in Sleep-Research-like Scenario

  • Pablo Cevallos-Larrea,
  • Leimer Guambaña-Calle,
  • Danilo Andrés Molina-Vidal,
  • Mathews Castillo-Guerrero,
  • Aluizio d’Affonsêca Netto and
  • Carlos Julio Tierra-Criollo

30 April 2025

The simultaneous analysis of electrophysiological signals from various physiological systems, such as the brain, skeletal muscles, and cardiac muscles, has become increasingly necessary in both clinical and research settings. However, acquiring multi...

  • Article
  • Open Access
1 Citations
2,515 Views
11 Pages

The Changes in the Severity of Deep Neck Infection Post-UPPP and Tonsillectomy in Patients with OSAS

  • Pin-Ching Hu,
  • Liang-Chun Shih,
  • Wen-Dien Chang,
  • Jung-Nien Lai,
  • Pei-Shao Liao,
  • Chih-Jaan Tai,
  • Chia-Der Lin,
  • Hei-Tung Yip,
  • Te-Chun Shen and
  • Yung-An Tsou

5 August 2022

The main aim of this study is to compare the incidence rate and severity of deep neck infection (DNI) in patients post-UPPP+ T (uvulopalatopharyngoplasty plus tonsillectomy) and without UPPP+ T. We utilized the data derived from the Longitudinal Heal...

  • Article
  • Open Access
8 Citations
2,938 Views
14 Pages

Provider Perspectives on Sleep Apnea from Appalachia: A Mixed Methods Study

  • Robert Stansbury,
  • Toni Rudisill,
  • Rachel Salyer,
  • Brenna Kirk,
  • Caterina De Fazio,
  • Adam Baus,
  • Shubekchha Aryal,
  • Patrick J. Strollo,
  • Sunil Sharma and
  • Judith Feinberg

30 July 2022

West Virginia (WV) has the highest rates of obesity and cardiopulmonary disease in the United States (U.S.). Recent work has identified a significant care gap in WV for obstructive sleep apnea (OSA). This OSA care gap likely has significant health im...

  • Article
  • Open Access
10 Citations
4,229 Views
13 Pages

Effect of Obstructive Sleep Apnea on the Risk of Injuries—A Nationwide Population-Based Cohort Study

  • An-Che Cheng,
  • Gwo-Jang Wu,
  • Chi-Hsiang Chung,
  • Kuo-Hsiang Wu,
  • Chien-An Sun,
  • I-Duo Wang and
  • Wu-Chien Chien

Obstructive sleep apnea (OSA) has been reported to increase the risk of motor vehicle accidents. However, only few studies have investigated the effects of OSA on overall risk injury. The aim of study is to investigate whether OSA increases the risk...

  • Article
  • Open Access
2 Citations
3,623 Views
12 Pages

Obese Patients Experience More Severe CSA than Non-Obese Patients

  • Yao-Ching Huang,
  • Shi-Hao Huang,
  • Ren-Jei Chung,
  • Bing-Long Wang,
  • Chi-Hsiang Chung,
  • Wu-Chien Chien,
  • Chien-An Sun,
  • Pi-Ching Yu and
  • Chieh-Hua Lu

Objective: To investigate whether central sleep apnea (CSA) is associated with an increased risk of obesity. Materials and methods: From 1 January 2000 to 31 December 2015, we screened 24,363 obese patients from the 2005 longitudinal health insurance...

  • Article
  • Open Access
8 Citations
4,253 Views
13 Pages

Background: Somatic acupoint stimulation (SAS) has been frequently utilised as a promising intervention for individual cancer-related symptom management, such as fatigue, sleep disturbance and depression. However, research evidence regarding the role...

  • Editorial
  • Open Access
2 Citations
1,617 Views
4 Pages

Special Issue “Sleep Disorders: From Clinical Research to Daily Practice”

  • Francesco Fisicaro,
  • Giuseppe Lanza and
  • Michela Figorilli

13 August 2023

Healthy sleep is indissolubly linked to both physical and mental health, as pointed out by evidence showing the negative impact of poor sleep on neurological, psychiatric, cardiovascular, respiratory, metabolic, and immune systems, among others [...]

  • Systematic Review
  • Open Access
4,034 Views
24 Pages

2 September 2025

Exposure to light is an important factor in regulating sleep and sleep quality, especially for elderly people with a high risk of sleep problems. A systematic literature review was conducted to explore the current understanding of the relationship be...

  • Article
  • Open Access
2 Citations
1,222 Views
18 Pages

12 October 2025

Background: Gallic acid (GA) is a dietary polyphenol widely found in walnuts, tea leaves, and grapes, and it is recognized for its potent antioxidant and anti-inflammatory properties. Chronic sleep deprivation (CSD) is known to disrupt redox balance,...

  • Article
  • Open Access
11 Citations
3,619 Views
14 Pages

Mandatory home isolation caused by COVID-19 in professional contexts led to a situation that required work activities to be converted into a remote modality. The literature on this topic is very recent, given the pandemic and the uncertainty of virtu...

  • Article
  • Open Access
9 Citations
6,306 Views
16 Pages

14 December 2022

When college students face the COVID-19 pandemic and new learning challenges simultaneously, how to reduce or alleviate their own academic stress has become a topic of concern to students and their parents. The psychological and physiological benefit...

  • Review
  • Open Access
2,171 Views
22 Pages

With positron emission tomography followed by functional magnetic resonance imaging (fMRI), we demonstrated that rapid eye movements (REMs) in sleep are saccades that scan dream imagery. The brain “sees” essentially the same way while awa...

  • Article
  • Open Access
12 Citations
3,403 Views
17 Pages

Insights Gained in the Aftermath of the COVID-19 Pandemic: A Follow-Up Survey of a Recreational Training Program, Focusing on Sense of Coherence and Sleep Quality

  • Etelka Szovák,
  • Károly Varga,
  • Imre Zoltán Pelyva,
  • Rita Soós,
  • Sára Jeges,
  • Zsuzsanna Kívés and
  • Ákos Levente Tóth

The original aim of this study was a follow-up assessment of a recreational program running for six months (September 2019–February 2020) within controlled conditions. Following the arrival of the COVID-19 pandemic, the survey acquired a new go...

  • Review
  • Open Access
18 Citations
5,894 Views
18 Pages

Poor Sleep Quality Experience and Self-Management Strategies in Fibromyalgia: A Qualitative Metasynthesis

  • Carolina Climent-Sanz,
  • Genís Morera-Amenós,
  • Filip Bellon,
  • Roland Pastells-Peiró,
  • Joan Blanco-Blanco,
  • Fran Valenzuela-Pascual and
  • Montserrat Gea-Sánchez

10 December 2020

Poor sleep quality is a major concern and a highly prevalent symptom in fibromyalgia. We aimed to develop a metasynthesis of qualitative studies to assess how people diagnosed with fibromyalgia experience and manage poor sleep quality following the c...

  • Article
  • Open Access
1,942 Views
21 Pages

Objective: To explore the feasibility and acceptability of using an evidence-based Tai Chi intervention to manage the fatigue–sleep disturbance–depression symptom cluster (FSDSC) in female breast cancer patients. Methods: This study repor...

  • Article
  • Open Access
15 Citations
3,343 Views
32 Pages

Design of an Intelligent Decision Support System Applied to the Diagnosis of Obstructive Sleep Apnea

  • Manuel Casal-Guisande,
  • Laura Ceide-Sandoval,
  • Mar Mosteiro-Añón,
  • María Torres-Durán,
  • Jorge Cerqueiro-Pequeño,
  • José-Benito Bouza-Rodríguez,
  • Alberto Fernández-Villar and
  • Alberto Comesaña-Campos

Obstructive sleep apnea (OSA), characterized by recurrent episodes of partial or total obstruction of the upper airway during sleep, is currently one of the respiratory pathologies with the highest incidence worldwide. This situation has led to an in...

  • Brief Report
  • Open Access
1,470 Views
9 Pages

Background: Low back pain (LBP) is the leading cause of disability for individuals and societies globally. Prior investigations have predominantly centered around biological and psychological factors. Addressing social determinants is critical for en...

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