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Extending the Focus on Sleep Health as Well as Sleep Disorders

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Guest Editor
Sleep Disorders Center, Department of Neurology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan 31151, Korea
Interests: sleep medicine; epilepsy; polysomnography; obstructive sleep apnea; sleep health; sleep industry; dementia

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Sleep Medicine Research Center, Department of Neurology, International St. Mary’s Hospital, Catholic Kwandong University College of medicine, Incheon, Republic of Korea
Interests: insomnia; sleep apnea; polysomnography; digital therapeutics
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Neurology, Kangbuk Samsung Hospital, Seoul 03181, Korea
Interests: sleep medicine; electroencephalography analysis; REM sleep behavior disorder; epilepsy

Special Issue Information

Dear Colleagues,

Sleep plays an important role in good health and well-being. Sleep is involved in a number of vital functions including energy conservation, tissue restoration, memory consolidation, brain waste clearance, and regulation of immune responses. Disruption in sleep has been associated with long-term health consequences, such as hypertension, cardiovascular diseases, obesity, diabetes mellitus, cancer, dementia and mortality. Sleep disorders refers to medical conditions that disturbs the duration, timing, and quality of sleep. Insomnia, sleep-related breathing disorders, hypersomnia, circadian sleep–wake disorders, parasomnias, sleep-related movement disorders are major sleep disorders. The public and academic interest in sleep disorders has increased, and the effect of sleep disorders on public health has been studied with various technologies of sleep research including epidemiology, clinical, and basic science. In addition, the so-called sleep industry is growing through industry-academic cooperation in recent years.

This special issue of International Journal of Environmental Research and Public Health (IJERPH) focuses on the latest knowledge on the links between sleep disorders and human health. Research on new techniques for sleep disorders is also welcome.

Prof. Dr. Kwang Ik Yang
Dr. Hye Yun Kim
Dr. Jun-Sang Sunwoo
Guest Editors

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Keywords

  • sleep deprivation
  • behavioral sleep
  • insomnia
  • sleep apnea syndrome
  • hypersomnia
  • parasomnia
  • circadian rhythm sleep disorder
  • sleep health
  • sleep industry

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Published Papers (3 papers)

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Research

13 pages, 1509 KiB  
Article
Mandibular Torus as a New Index of Success for Mandibular Advancement Devices
by Teresa Diaz de Teran, Pedro Muñoz, Felix de Carlos, Emilio Macias, Marta Cabello, Olga Cantalejo, Paolo Banfi, Antonello Nicolini, Paolo Solidoro and Monica Gonzalez
Int. J. Environ. Res. Public Health 2022, 19(21), 14154; https://doi.org/10.3390/ijerph192114154 - 29 Oct 2022
Cited by 2 | Viewed by 3092
Abstract
Background: In obstructive sleep apnoea (OSA), treatment with mandibular advancement devices (MADs) reduces patients’ Apnoea–Hypopnoea index (AHI) scores and improves their sleepiness and quality of life. MADs are non-invasive alternatives for patients who cannot tolerate traditional continuous positive airway pressure (CPAP) therapy. The [...] Read more.
Background: In obstructive sleep apnoea (OSA), treatment with mandibular advancement devices (MADs) reduces patients’ Apnoea–Hypopnoea index (AHI) scores and improves their sleepiness and quality of life. MADs are non-invasive alternatives for patients who cannot tolerate traditional continuous positive airway pressure (CPAP) therapy. The variability of responses to these devices makes it necessary to search for predictors of success. The aim of our study was to evaluate the presence of mandibular torus as a predictor of MAD efficacy in OSA and to identify other potential cephalometric factors that could influence the response to treatment. Methods: This was a retrospective cohort study. The study included 103 patients diagnosed of OSA who met the criteria for initiation of treatment with MAD. Structural variables were collected (cephalometric and the presence or absence of mandibular torus). Statistical analysis was performed to evaluate the existence of predictive factors for the efficacy of MADs. Results: A total of 103 patients who were consecutively referred for treatment with MAD were included (89.3% men); the mean age of the participants was 46.3 years, and the mean AHI before MAD was 31.4 (SD 16.2) and post- MAD 11.3 (SD 9.2). Thirty-three percent of patients had mandibular torus. Torus was associated with a better response (odds ratio (OR) = 2.854 (p = 0.035)) after adjustment for sex, age, body mass index (BMI; kg/m2), the angle formed by the occlusal plane to the sella–nasion plane (OCC plane to SN), overinjection, and smoking. No cephalometric predictors of efficacy were found that were predictive of MAD treatment success. Conclusions: The presence of a mandibular torus practically triples the probability of MAD success. This is the simplest examination with the greatest benefits in terms of the efficacy of MAD treatment for OSA. Full article
(This article belongs to the Special Issue Extending the Focus on Sleep Health as Well as Sleep Disorders)
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17 pages, 647 KiB  
Article
Impact of Sleep Deprivation on Job Performance of Working Mothers: Mediating Effect of Workplace Deviance
by Yuwei Deng, Jacob Cherian, Kalpina Kumari, Sarminah Samad, Jawad Abbas, Muhammad Safdar Sial, József Popp and Judit Oláh
Int. J. Environ. Res. Public Health 2022, 19(7), 3799; https://doi.org/10.3390/ijerph19073799 - 23 Mar 2022
Cited by 16 | Viewed by 5998
Abstract
The current study takes its philosophical roots from organizational behavior and psychology domains to investigate the impact of sleep deprivation on the job performance of mothers working in primary, secondary, and higher education institutions (HEIs) of Pakistan. It also examines the mediating role [...] Read more.
The current study takes its philosophical roots from organizational behavior and psychology domains to investigate the impact of sleep deprivation on the job performance of mothers working in primary, secondary, and higher education institutions (HEIs) of Pakistan. It also examines the mediating role of workplace deviance in the relationship between sleep deprivation and the job performance of working mothers. The authors followed the non-probability convenience sampling technique to study the relationship between sleep deprivation, workplace deviance, and job performance. The structural analyses indicated that sleep deprivation has a significant negative impact on the job performance of working mothers and sleep-deprived individuals often tend to perform poorly at the workplace. Such workers are also more likely to engage in workplace deviant behaviors. Moreover, workplace deviance is also found to act as a mediating variable in the relationship between sleep deprivation and job performance. The present research bridges the literature gap on the rarely investigated factors, namely sleep deprivation and workplace deviance, and provide a detailed understanding of how these factors can influence the performance of working mothers, specifically in Pakistan. Full article
(This article belongs to the Special Issue Extending the Focus on Sleep Health as Well as Sleep Disorders)
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10 pages, 1257 KiB  
Article
Positive Effects on Emotional Stress and Sleep Quality of Forest Healing Program for Exhausted Medical Workers during the COVID-19 Outbreak
by Yunsoo Kim, Yoonhee Choi and Hyeyun Kim
Int. J. Environ. Res. Public Health 2022, 19(5), 3130; https://doi.org/10.3390/ijerph19053130 - 7 Mar 2022
Cited by 12 | Viewed by 3240
Abstract
This study targeted medical workers, who are currently being subjected to an excessive workload and emotional stress during the COVID-19 outbreak. Various treatment programs, such as a relaxation program to relieve stress, a walk in the forest, and woodworking were provided to the [...] Read more.
This study targeted medical workers, who are currently being subjected to an excessive workload and emotional stress during the COVID-19 outbreak. Various treatment programs, such as a relaxation program to relieve stress, a walk in the forest, and woodworking were provided to the participants as forest healing therapies. We enrolled 13 medical workers (11 females, 2 males). Before and after forest healing therapy, stress and sleep-related questionnaires and levels of salivary cortisol, dehydroepiandrosterone sulfate (DHEA-S), and melatonin were measured and compared. The improvement of the perceived stress scale and the decrease of DHEA-S, a stress index, showed statistically significant results. However, although this study was conducted with a small number of participants and has a limitation in that the therapy occurred over a short period of only 1 night and 2 days, the trend of supporting results remains positive. As such, the authors propose forest healing therapy as one intervention to relieve the job stress for this group of workers Full article
(This article belongs to the Special Issue Extending the Focus on Sleep Health as Well as Sleep Disorders)
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