Publications by authors named "Yu Sun Bin"

Background: Sleep, physical activity, and nutrition (SPAN) are critical behaviours for health, although they have traditionally been studied separately. We examined the combined associations of SPAN and the minimum between-individual variations associated with meaningfully lower all-cause mortality risk.

Methods: This prospective cohort analysis included 59,078 participants from the UK Biobank (median age: 64.

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Background: Sleep is a crucial lifestyle factor with impacts on mental and cognitive health. The associations between objectively measured sleep and risk of incident dementia are not yet fully understood. To evaluate the associations of device-measured sleep duration and regularity with incident dementia and explore whether sleep regularity moderates the association of sleep duration with dementia.

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Study Objectives: The aims of this review were to identify existing national surveillance systems monitoring one or more domains of sleep health in adults, and to describe the specific sleep health indicators used.

Methods: We systematically searched the gray and peer-reviewed literature for routinely conducted cross-sectional and longitudinal nationally representative health surveys that included the assessment of at least one domain of sleep health. The methodology involved: (1) targeted searches of the websites of national and international health agencies and statistics departments for 199 countries, (2) country-specific customized internet searches, and (3) country-specific electronic database searches of PubMed.

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Objective: This study aims to explore the perspectives and experiences of Australian caregivers and community pharmacists about pediatric melatonin use.

Methods: A convenience sample of caregivers with children (aged 11-16 years) using melatonin as a sleep aid and community pharmacists (including pharmacist interns) were recruited. Participants first completed an online survey followed by an online semi-structured interview.

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Article Synopsis
  • There is no clear agreement on what sleep hygiene means or what it includes, with only 44% of relevant studies providing a definition.
  • A review of 548 studies identified behavioral and environmental factors related to sleep hygiene, but explicit definitions of its components appeared in only 35% of intervention studies.
  • Commonly studied elements of sleep hygiene included caffeine, alcohol, exercise, and sleep timing, but variations in how these components are defined may complicate effective communication and application in research and practice.
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Aim: Recent data have identified specific symptom and polysomnographic profiles associated with cardiovascular disease (CVD) in patients with obstructive sleep apnoea (OSA). Our aim was to determine whether these profiles were present at diagnosis of OSA in patients with established CVD and in those with high cardiovascular risk. Participants in the Sydney Sleep Biobank (SSB) database, aged 30-74 years, self-reported presence of CVD (coronary artery disease, cerebrovascular disease, or heart failure).

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Article Synopsis
  • Recent research indicates that sleepy individuals with obstructive sleep apnea (OSA) may face an increased risk of developing cardiovascular disease (CVD).
  • The study compared heart rate variability (HRV) between sleepy and non-sleepy OSA patients to assess cardiac autonomic function, finding that sleepy patients generally had lower HRV values.
  • The results suggest that sleepy patients, especially those with moderate-to-severe OSA, experience reduced parasympathetic activity, which could help explain the connection between sleepiness and heightened CVD risk in OSA.
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Introduction: Understanding how persons with narcolepsy conceptualize symptoms, daily impact and illness experience is key to facilitating dialogue between patients and healthcare professionals. These concepts are usually explored from the perspective of healthcare professionals/researchers and rarely from the perspective of those with narcolepsy.

Methods: 127 self-reported persons with narcolepsy were recruited from an Australian patient support group.

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Study Objectives: Parents/carers of a child with narcolepsy are often required to become experts in narcolepsy and navigate health care, education, and welfare systems on behalf of their child. Managing pediatric narcolepsy is complex and challenges the child and the entire family, yet few studies have explored carers' experiences.

Methods: Twenty mothers (50% had a child with narcolepsy < 18 years at the time of interview; 85% narcolepsy with cataplexy) participated in a 1:1 semistructured interview.

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Article Synopsis
  • Recent research highlights the potential of hypoxic burden (HB) as a new predictor for cardiovascular disease (CVD) outcomes, particularly focusing on oxygen desaturation during respiratory events.
  • The study explores how three methods of establishing the SpO2 baseline—pre-event, record-based, and fixed—affect the ability of HB to forecast cardiovascular mortality.
  • Results indicate that the record-based baseline method performed the best, with a significant hazard ratio of 1.83, suggesting it is more effective in predicting CVD risk compared to the other two baseline approaches.
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Polysomnograms (PSGs) contain a wealth of physiological information that is routinely recorded but not utilised in sleep studies. Intermittent hypoxia arising from obstructive sleep apnoea (OSA) events is an important risk in the later development of cardiovascular disease (CVD). Analysis of oximetry patterns from PSG studies may enable early assessment of CVD risk.

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Purpose: This study aimed to evaluate the effect of mandibular advancement splint (MAS) therapy on cardiac autonomic function in patients with obstructive sleep apnoea (OSA) using heart rate variability (HRV) analysis.

Methods: Electrocardiograms (ECG) derived from polysomnograms (PSG) of three prospective studies were used to study HRV of patients with OSA before and after MAS treatment. HRV parameters were averaged across the entire ECG signal during N2 sleep using 2-min epochs shifted by 30 s.

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Study Objectives: The unique requirements of shift work, such as sleeping and working at variable times, mean that current sleep hygiene guidelines may be inappropriate for shift workers. Current guidelines may also contradict fatigue management advice (e.g.

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Background: In Australia, prescription melatonin became a 'Pharmacist Only Medicine' for people over 55 with insomnia from June 2021. However, little is known about pharmacists' views on melatonin down-scheduling and perceived impacts on practice.

Aim: To explore Australian community pharmacists' views on and attitudes towards the down-scheduling of melatonin.

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Article Synopsis
  • Social jetlag refers to the gap between sleep times on workdays versus weekends, which can negatively impact sleep quality and increase daytime sleepiness, especially in individuals with obstructive sleep apnea (OSA).
  • A study involving over 2,000 participants found that a significant portion experienced varying degrees of social jetlag, with those having 2 or more hours of jetlag reporting higher daytime sleepiness scores.
  • The research suggests that addressing social jetlag could be a beneficial strategy for managing daytime sleepiness in people with OSA, particularly in those with mild cases.
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Background: Identifying health behaviors associated with adverse events following immunization (AEFI) could identify intervention targets for AEFI prevention.

Methods: University employees receiving an influenza vaccination (n = 1301) completed a series of online surveys for health behaviors including sleep, exercise, dietary intake, and smoking habits, and emotional state (baseline), and for indications of AEFI (three days post-vaccination) and influenza-like illness (ILI) symptoms (fortnightly follow-up for 4 months).

Results: 29.

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Study Objectives: Autonomic function is impaired in obstructive sleep apnea (OSA) and may mediate the association between OSA and cardiovascular risk. We investigated the effect of OSA therapy on autonomic function through a systematic review and meta-analysis of intervention studies.

Methods: A systematic search using three databases (Medline, Embase, and Scopus) was performed up to December 9, 2020.

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Study Objectives: Intermittent hypoxia is a key mechanism linking Obstructive Sleep Apnea (OSA) to cardiovascular disease (CVD). Oximetry analysis could enhance understanding of which OSA phenotypes are associated with CVD risk. The aim of this study was to compare associations of different oximetry patterns with incident CVD in men and women with OSA.

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Study Objectives: To systematically determine subjective and objective outcome measures used to measure the efficacy of narcolepsy interventions in randomized controlled trials (RCTs) in adults and children and assess psychometric properties of patient-reported outcome measures (PROMs) used.

Methods: We searched bibliographical databases and clinical trial registries for narcolepsy RCTs and extracted objective and subjective outcome measures. If PROMs were used, we searched for psychometric studies conducted in a narcolepsy population using bibliographical databases and appraised using Consensus-based Standards for the Selection of Health Measurement Instruments (COSMIN) guidelines.

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Effective management strategies for jetlag have largely been studied and evaluated through the lens of circadian science and biological rhythms. Jetlag is mostly self-managed by the individual. The most effective strategies require individuals to make behavioral changes to carefully alter sleep-wake schedules and time light exposure.

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Objective Parliamentary inquiries into health-related issues empower everyday Australians to contribute to the development and reform of health policy. We explored how patient and family/carers concerns are translated by this process, using a less well-known disease, narcolepsy, as an example. Methods Written submissions made to the Parliamentary Inquiry into Sleep Health Awareness in Australia 2018 by self-identified patients or family/carers with narcolepsy (n  = 13) were extracted and thematically analysed using the Framework Approach.

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Article Synopsis
  • A new method called the respiratory event desaturation transient area (REDTA) is introduced for predicting cardiovascular disease outcomes from overnight oximetry tests.
  • Data from the Sleep Heart Health Study was used to develop this metric, which measures desaturation during respiratory events.
  • REDTA showed promising results, with hazard ratios indicating a higher predictive value for cardiovascular death compared to established metrics, and it is easier to compute.
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Research has highlighted the significant impact that jet lag can have upon performance, health, and safety. International business travelers have an important role in economic growth; however, there is a lack of research investigating jet lag and jet-lag management in international business travelers. This study aimed to investigate international business travelers use of jet-lag countermeasures.

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Article Synopsis
  • University students often struggle with poor sleep, prompting a study on the effects of a 10-week online course designed to enhance their sleep knowledge, attitudes, and behaviors.
  • The study showed that after completing the course, students demonstrated a significant increase in sleep knowledge (mean score rose from 3.0 to 4.2) and improved attitudes towards their sleep, with 53% reporting a positive change.
  • Despite these improvements in knowledge and attitudes, there was only a slight reduction in the time it took to fall asleep (from 33.3 to 25.6 minutes), suggesting that merely improving knowledge may not be enough to change sleep behaviors effectively.
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Jetlag is largely self-managed by the individual traveller. This paper explores the lived experiences of air travellers, their understanding of jetlag, and their perceptions of management strategies. 32 international travellers (mean age = 31, SD: 15 years; 47% female, mean flight duration = 16, SD: 6 hours) were interviewed.

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