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Article ; Online: The effects of light in children: A systematic review

Westwood, Emily / Smith, Simon / Mann, Dwayne / Pattinson, Cassandra / Allan, Alicia / Staton, Sally

Journal of Environmental Psychology. 2023 Aug., v. 89 p.102062-

2023

Abstract: Light affects human health and behaviour. Research has demonstrated that children are more susceptible to the effects of light than adults, however this population remains underrepresented in the literature. This systematic review reports evidence of ... ...

Abstract	Light affects human health and behaviour. Research has demonstrated that children are more susceptible to the effects of light than adults, however this population remains underrepresented in the literature. This systematic review reports evidence of objectively measured light exposure on health and development outcomes in children (0–12 years old). Study (n = 59) outcomes were categorised into five thematic domains. Heterogeneity of light measurement and summarisation techniques were identified. Light's effects on melatonin and activity patterns were relatively robust, while research on sleep was sparse. Mixed findings suggest a protective effect of light on myopia, and vision improvements under cooler, brighter lighting. Increased light during the daytime was broadly associated with beneficial effects on social-emotional, cognitive, and physical health outcomes. Timing, colour, and intensity of light exposures were important in understanding health and developmental effects of light. Heterogeneity in light measurement methods limits comparability across studies and should be carefully considered. Greater understanding about the effects of light on children could inform novel approaches to support children's health, sleep, and development.
Keywords	cognition ; color ; human health ; light intensity ; lighting ; melatonin ; myopia ; physical health ; protective effect ; sleep ; systematic review ; vision ; Children ; Health ; Light exposure ; Light measurement
Language	English
Dates of publication	2023-08
Publishing place	Elsevier Ltd
Document type	Article ; Online
ISSN	0272-4944
DOI	10.1016/j.jenvp.2023.102062
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study.

Staykov, Eric / Mann, Dwayne L / Leppänen, Timo / Töyräs, Juha / Kainulainen, Samu / Azarbarzin, Ali / Duce, Brett / Sands, Scott A / Terrill, Philip I

Sleep

2024

Language	English
Publishing date	2024-03-21
Publishing country	United States
Document type	Journal Article
ZDB-ID	424441-2
ISSN	1550-9109 ; 0161-8105
ISSN (online)	1550-9109
ISSN	0161-8105
DOI	10.1093/sleep/zsae077
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Zs.A 1475: Show issues

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Article: Reducing crash risk for young drivers: Protocol for a pragmatic randomised controlled trial to improve young driver sleep.

Smith, Simon S / Rossa, Kalina R / Soleimanloo, Shamsi Shekari / Pattinson, Cassandra L / Mann, Dwayne L / Edmed, Shannon L / Salmon, Paul M / Sullivan, Karen A

Heliyon

2024 Volume 10, Issue 5, Page(s) e27066

Abstract: Background: Road trauma is a leading cause of death and disability for young Australians (15-24 years). Young adults are overrepresented in crashes due to sleepiness, with two-thirds of their fatal crashes attributed to sleepy driving. This trial aims ... ...

Abstract	Background: Road trauma is a leading cause of death and disability for young Australians (15-24 years). Young adults are overrepresented in crashes due to sleepiness, with two-thirds of their fatal crashes attributed to sleepy driving. This trial aims to examine the effectiveness of a sleep extension and education program for improved road safety in young adults. Methods: Young adults aged 18-24 years (n = 210) will be recruited for a pragmatic randomised controlled trial employing a placebo-controlled, parallel-groups design. The intervention group will undergo sleep extension and receive education on sleep, whereas the placebo control group will be provided with information about diet and nutrition. The primary outcomes of habitual sleep and on-road driving performance will be assessed via actigraphy and in-vehicle accelerometery. A range of secondary outcomes including driving behaviours (driving simulator), sleep (diaries and questionnaire) and socio-emotional measures will be assessed. Discussion: Sleep is a modifiable factor that may reduce the risk of sleepiness-related crashes. Modifying sleep behaviour could potentially help to reduce the risk of young driver sleepiness-related crashes. This randomised control trial will objectively assess the efficacy of implementing sleep behaviour manipulation and education on reducing crash risk in young adult drivers.
Language	English
Publishing date	2024-02-24
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2024.e27066
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Article ; Online: Flow Limitation Is Associated with Excessive Daytime Sleepiness in Individuals without Moderate or Severe Obstructive Sleep Apnea.

Mann, Dwayne L / Staykov, Eric / Georgeson, Thomas / Azarbarzin, Ali / Kainulainen, Samu / Redline, Susan / Sands, Scott A / Terrill, Philip I

Annals of the American Thoracic Society

2024

Abstract: Rationale: ...

Abstract	Rationale:
Language	English
Publishing date	2024-03-26
Publishing country	United States
Document type	Journal Article
ZDB-ID	2717461-X
ISSN	2325-6621 ; 1943-5665 ; 2325-6621
ISSN (online)	2325-6621 ; 1943-5665
ISSN	2325-6621
DOI	10.1513/AnnalsATS.202308-710OC
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Zs.A 5828: Show issues

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Article ; Online: The obstructive sleep apnoea endotypes are similar in elderly trauma-exposed veterans with and without diagnosed PTSD.

Brooker, Elliot J / Landry, Shane A / Mann, Dwayne / Prguda, Emina / McLeay, Sarah C / Drummond, Sean P A / Edwards, Bradley A

Sleep medicine

2024 Volume 115, Page(s) 48–54

Abstract: Background: Approximately 60% of veterans living with posttraumatic stress disorder (PTSD) experience obstructive sleep apnoea (OSA). Why OSA is so prevalent in individuals with PTSD remains unknown, though PTSD may influence the underlying endotypes ... ...

Abstract	Background: Approximately 60% of veterans living with posttraumatic stress disorder (PTSD) experience obstructive sleep apnoea (OSA). Why OSA is so prevalent in individuals with PTSD remains unknown, though PTSD may influence the underlying endotypes known to cause OSA. We examined whether these endotypes (upper airway collapsibility, muscle compensation, loop gain, and the arousal threshold) differ between those with comorbid OSA and PTSD relative to their counterparts with OSA-only. Methods: Using the ventilatory flow pattern from diagnostic polysomnography, the OSA endotypes were measured in a retrospective cohort of 21 OSA patients with PTSD and 27 OSA-only patients. All participants were trauma exposed elderly male Australian Vietnam War veterans with mild-to-severe OSA (median Apnoea-Hypopnea index: 20.2 vs. 23.6 events/h). Age and BMI were similar between groups (70.7 vs. 71.7 years, and 28.4 vs. 28.4 kg/m Results: There were no significant differences in the OSA endotype traits between PTSD + OSA and OSA-only patients for upper airway collapsibility (76.68 [71.53-83.56] vs. 78.35 [72.81-83.82] %V Conclusion: The OSA endotypes in veterans with PTSD were similar to their trauma exposed OSA-only counterparts. PTSD appears to exert little influence on the OSA endotypes beyond the effect that age and trauma exposure may have. The aetiology of increased prevalence of OSA in PTSD remains unclear. Further work examining OSA endotypes using larger and more diverse samples is needed before robust conclusions can be made.
MeSH term(s)	Humans ; Male ; Aged ; Stress Disorders, Post-Traumatic/complications ; Stress Disorders, Post-Traumatic/epidemiology ; Retrospective Studies ; Veterans ; Australia/epidemiology ; Sleep Apnea, Obstructive/complications ; Sleep Apnea, Obstructive/epidemiology ; Sleep Apnea, Obstructive/diagnosis
Language	English
Publishing date	2024-02-02
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2012041-2
ISSN	1878-5506 ; 1389-9457
ISSN (online)	1878-5506
ISSN	1389-9457
DOI	10.1016/j.sleep.2024.02.006
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Zs.A 5315: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 635: Show issues

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Article ; Online: Sleep mediates the relationship between precarious employment and mental health.

Jaydarifard, Saeed / Smith, Simon S / Rossa, Kalina R / Mann, Dwayne / Nikooharf Salehi, Elahe / Shekari Soleimanloo, Shamsi

Sleep medicine: X

2023 Volume 6, Page(s) 100092

Abstract: Background: Current evidence suggests that precarious employment is a risk factor for poor mental health. Although the mechanisms underpinning this relationship are unclear, poor sleep has been proposed to have a role in this relationship. This study ... ...

Abstract	Background: Current evidence suggests that precarious employment is a risk factor for poor mental health. Although the mechanisms underpinning this relationship are unclear, poor sleep has been proposed to have a role in this relationship. This study explored the mediating effects of poor sleep quality and duration on the relationship between precarious employment and mental health. Methods: Data were obtained from wave 17 of the Household, Income and Labour Dynamics in Australia survey. A novel precarious employment score (PES) was developed using exploratory and confirmatory factor analyses (CFA) in 8127 workers (4195 female, aged 18-65). Structural equation modelling (SEM) was used to evaluate the mediating effect of sleep quality and duration on the relationship between precarious employment and mental health (SF-36 mental health subscale). Results: The PES identified 650 workers with a high level of precariousness, 2417 with a moderate level of precariousness, and 5060 workers with a low level of precariousness out of 8127 in total. There was a significant direct association between precarious employment and mental health; with higher precarity increasing the likelihood of poor mental health. The SEM results revealed that sleep quality partially mediated the association between precarious employment and mental health (Coefficient = 0.025, 95 % CI [0.015, 0.034], P ≤ 0.001). However, a mediation effect was not found for sleep duration. Conclusion: Encouraging precarious employees to improve sleep quality may mitigate the adverse effects of precarious work on their mental health. Further objective measurement of sleep duration warrants a more accurate insight into this mediating effect in this group.
Language	English
Publishing date	2023-11-13
Publishing country	Netherlands
Document type	Journal Article
ISSN	2590-1427
ISSN (online)	2590-1427
DOI	10.1016/j.sleepx.2023.100092
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Article ; Online: Nasal Pressure Derived Airflow Limitation and Ventilation Measurements are Resilient to Reduced Signal Quality.

Staykov, Eric / Mann, Dwayne L / Kainulainen, Samu / Duce, Brett / Leppanen, Timo / Toyras, Juha / Sands, Scott A / Terrill, Philip I

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

2023 Volume 2023, Page(s) 1–4

Abstract: Obstructive sleep apnea is a disorder characterized by partial or complete airway obstructions during sleep. Our previously published algorithms use the minimally invasive nasal pressure signal routinely collected during diagnostic polysomnography (PSG) ... ...

Abstract	Obstructive sleep apnea is a disorder characterized by partial or complete airway obstructions during sleep. Our previously published algorithms use the minimally invasive nasal pressure signal routinely collected during diagnostic polysomnography (PSG) to segment breaths and estimate airflow limitation (using flow:drive) and minute ventilation for each breath. The first aim of this study was to investigate the effect of airflow signal quality on these algorithms, which can be influenced by oronasal breathing and signal-to-noise ratio (SNR). It was hypothesized that these algorithms would make inaccurate estimates when the expiratory portion of breaths is attenuated to simulate oronasal breathing, and pink noise is added to the airflow signal to reduce SNR. At maximum SNR and 0% expiratory amplitude, the average error was 2.7% for flow:drive, -0.5% eupnea for ventilation, and 19.7 milliseconds for breath duration (n = 257,131 breaths). At 20 dB and 0% expiratory amplitude, the average error was -15.1% for flow:drive, 0.1% eupnea for ventilation, and 28.4 milliseconds for breath duration (n = 247,160 breaths). Unexpectedly, simulated oronasal breathing had a negligible effect on flow:drive, ventilation, and breath segmentation algorithms across all SNRs. Airflow SNR ≥ 20 dB had a negligible effect on ventilation and breath segmentation, whereas airflow SNR ≥ 30 dB had a negligible effect on flow:drive. The second aim of this study was to explore the possibility of correcting these algorithms to compensate for airflow signal asymmetry and low SNR. An offset based on estimated SNR applied to individual breath flow:drive estimates reduced the average error to ≤ 1.3% across all SNRs at patient and breath levels, thereby facilitating for flow:drive to be more accurately estimated from PSGs with low airflow SNR.Clinical Relevance- This study demonstrates that our airflow limitation, ventilation, and breath segmentation algorithms are robust to reduced airflow signal quality.
MeSH term(s)	Humans ; Sleep Apnea, Obstructive/diagnosis ; Respiration ; Sleep ; Sleep Apnea Syndromes ; Polysomnography
Language	English
Publishing date	2023-12-11
Publishing country	United States
Document type	Journal Article
ISSN	2694-0604
ISSN (online)	2694-0604
DOI	10.1109/EMBC40787.2023.10340215
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Article ; Online: Precarious employment and associated health and social consequences; a systematic review.

Jaydarifard, Saeed / Smith, Simon S / Mann, Dwayne / Rossa, Kalina R / Nikooharf Salehi, Elahe / Gnani Srinivasan, Arvind / Shekari Soleimanloo, Shamsi

Australian and New Zealand journal of public health

2023 Volume 47, Issue 4, Page(s) 100074

Abstract: Objective: This systematic review aims to identify, evaluate, and summarise the consequences of precarious employment.: Methods: We included studies published within the last ten years (Jan 2011-July 2021) that employed at least two of three key ... ...

Abstract	Objective: This systematic review aims to identify, evaluate, and summarise the consequences of precarious employment. Methods: We included studies published within the last ten years (Jan 2011-July 2021) that employed at least two of three key dimensions of precarious employment: employment insecurity, income inadequacy, and lack of rights and protection. Results: Of the 4,947 initially identified studies, only five studies met our eligibility criteria. These five studies were of moderate quality as assessed by the Newcastle-Ottawa Scale. Our review found that the current literature predominantly defines precarity based on the single criterion of employment insecurity. Our review identified evidence for the negative consequences of precarious employment, including poorer workplace wellbeing, general health, mental health, and emotional wellbeing. The findings indicated an increase in the magnitude of these adverse outcomes with a higher degree of job precariousness. Conclusions: The rise of employment precariousness will likely continue to be a major issue in the coming years. More research is needed to inform effective policies and practices using a consensus definition of precarious employment. Implications for public health: The presence of adverse effects of precarious employment suggests workplace initiatives are essential to mitigate the negative consequences of precarity.
MeSH term(s)	Humans ; Employment ; Mental Health ; Workplace ; Income
Language	English
Publishing date	2023-07-13
Publishing country	United States
Document type	Systematic Review ; Journal Article ; Review
ZDB-ID	1323548-5
ISSN	1753-6405 ; 1326-0200
ISSN (online)	1753-6405
ISSN	1326-0200
DOI	10.1016/j.anzjph.2023.100074
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Zs.A 1916: Show issues

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Article ; Online: Adverse Pregnancy Outcomes and Pharyngeal Flow Limitation during Sleep: Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be (nuMoM2b).

Alex, Raichel M / Mann, Dwayne L / Azarbarzin, Ali / Vena, Daniel / Gell, Laura K / Wellman, Andrew / Grobman, William A / Facco, Francesca L / Silver, Robert M / Pien, Grace W / Louis, Judette M / Zee, Phyllis C / Rueschman, Michael / Sofer, Tamar / Redline, Susan / Sands, Scott A

The European respiratory journal

2024

Abstract: Rationale: Pharyngeal flow limitation during pregnancy may be a risk factor for adverse pregnancy outcomes but was previously challenging to quantify.: Objective: To determine whether a novel objective measure of flow limitation identifies an ... ...

Abstract	Rationale: Pharyngeal flow limitation during pregnancy may be a risk factor for adverse pregnancy outcomes but was previously challenging to quantify. Objective: To determine whether a novel objective measure of flow limitation identifies an increased risk of preeclampsia (primary outcome) and other adverse outcomes in a prospective cohort: Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be. Methods: Flow limitation severity scores (0%=fully obstructed, 100%=open airway)- quantified from breath-by-breath airflow shape-were obtained from home sleep tests during early (6-15 weeks) and mid (22-31 weeks) pregnancy. Multivariable logistic regression quantified associations between flow limitation (median overnight severity, both time-points averaged) and preeclampsia, adjusting for maternal age, body mass index (BMI), race, ethnicity, chronic hypertension, and flow limitation during wakefulness. Secondary outcomes were hypertensive disorders of pregnancy (HDP), gestational diabetes mellitus (GDM), and infant birthweight. Results: Of 1939 participants with flow limitation data at both time-points (age: 27.0±5.4 yr [mean±sd], BMI: 27.7±6.1 kg·m Conclusions: Greater flow limitation is associated with increased risk of preeclampsia, HDP, and lower infant birthweight. Flow limitation may provide an early target for mitigating the consequences of sleep disordered breathing during pregnancy.
Language	English
Publishing date	2024-04-04
Publishing country	England
Document type	Journal Article
ZDB-ID	639359-7
ISSN	1399-3003 ; 0903-1936
ISSN (online)	1399-3003
ISSN	0903-1936
DOI	10.1183/13993003.01707-2023
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Zs.A 2322: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 292: Show issues

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Article ; Online: Polysomnographic airflow shapes and site of collapse during drug-induced sleep endoscopy.

Op de Beeck, Sara / Vena, Daniel / Mann, Dwayne / Azarbarzin, Ali / Huyett, Phillip / Van de Perck, Eli / Gell, Laura K / Alex, Raichel M / Dieltjens, Marijke / Willemen, Marc / Verbraecken, Johan / Wellman, Andrew / Vanderveken, Olivier M / Sands, Scott A

The European respiratory journal

2024

Abstract: Rationale: Differences in the pharyngeal site-of-collapse influences efficacy of non-CPAP therapies for obstructive sleep apnoea (OSA). Notably, complete concentric collapse at the palate (CCCp) during drug-induced sleep endoscopy (DISE) is associated ... ...

Abstract	Rationale: Differences in the pharyngeal site-of-collapse influences efficacy of non-CPAP therapies for obstructive sleep apnoea (OSA). Notably, complete concentric collapse at the palate (CCCp) during drug-induced sleep endoscopy (DISE) is associated with reduced efficacy of hypoglossal nerve stimulation, but CCCp is currently not recognisable using polysomnography. Here we develop a means to estimate DISE-based site-of-collapse using overnight polysomnography. Methods: 182 OSA patients provided DISE and polysomnography data. Six polysomnographic flow-shape characteristics (mean during hypopnoeas) were identified as candidate predictors of CCCp (primary outcome variable, N=44/182), including inspiratory skewness and inspiratory scoopiness. Multivariable logistic regression combined the six characteristics to predict clear presence (N=22) Results: CCCp was characterised by greater scoopiness (β=1.5±0.6 per 2SD, multivariable estimate±se) and skewness (β=11.4±2.4) compared to non-CCCp. Odds ratio [95%CI] for CCCp in predicted positive Conclusions: The current study provides a means to recognise patients with likely CCCp or other DISE-based site-of-collapse categories using routine polysomnography. Since site-of-collapse influences therapeutic responses, polysomnographic airflow shape analysis could facilitate precision site-specific OSA interventions.
Language	English
Publishing date	2024-03-28
Publishing country	England
Document type	Journal Article
ZDB-ID	639359-7
ISSN	1399-3003 ; 0903-1936
ISSN (online)	1399-3003
ISSN	0903-1936
DOI	10.1183/13993003.00261-2024
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Zs.MO 292: Show issues

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