Comparison of Subjective Sleep Quality of Long-Term Residents at Low and High Altitudes: SARAHA Study

Gupta, Ravi; Ulfberg, Jan; Allen, Richard P.; Goel, Divya

doi:10.5664/jcsm.6870

Cited by 14 publications

(11 citation statements)

References 34 publications

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“…Both proportions are greater than the fraction of poor sleep quality among the Indian population reported earlier. [ 28 ] A number of factors could explain the difference. First, an earlier Indian study was conducted in a limited geographical population using face to face interviews with a validated questionnaire.…”

Section: Discussionmentioning

confidence: 99%

“…First, an earlier Indian study was conducted in a limited geographical population using face to face interviews with a validated questionnaire. [ 28 ] On the other hand, the present study was a self-reported survey sent through social media and was dependent on recall-based response. Moreover, sleep quality was determined through a single item rather than using a structured questionnaire.…”

Section: Discussionmentioning

confidence: 99%

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Changes in sleep pattern and sleep quality during COVID-19 lockdown

Krishnan

Gupta

Grover

et al. 2020

Indian J Psychiatry

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285

125

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Introduction: To mitigate the spread of the pandemic coronavirus infection (COVID-19), governments across the world have adopted “lockdowns” which have confined many individuals to their homes. This disrupts normal life routines, elements of which are important circadian cues. The pandemic is also associated with new stressors, altered roles, and uncertainties about health and economic security, which are also likely to affect sleep. The current study is an online survey of sleep experience, routines, physical activity, and symptoms of anxiety and depression, to study the alterations associated with the lockdown. Materials and Methods: The survey was conducted in early May 2020 using a questionnaire circulated through social media platforms. Questions related to demographic characteristics, current and previous sleep schedules, routine, and working patterns. Insomnia (Insomnia Severity Index - 4), Stress (Perceived Stress Scale - 4), anxiety and depressive symptoms (Patient Health Questionnaire - 4) and physical activity (International Physical Activities Questionnaire) were assessed using standardized instruments. Results: A total of 958 valid responses were received. Compared to the prelockdown period, there was a shift to a later bedtime and waking time, with a reduction in night-time sleep and an increase in day-time napping. These effects were visible across occupational groups, but mostly affected working individuals except health professionals. Sleep quality deteriorated across groups. Reductions in sleep duration were associated with depressive symptoms. Conclusions: The COVID-19 lockdown is associated with changes in sleep schedule and in the quantity and quality of night-time sleep. Although these changes are associated with elevated rates of emotional symptoms, it is unclear from these cross-sectional results, whether sleep deterioration produces psychological distress, or vice versa.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Changes in sleep pattern and sleep quality during COVID-19 lockdown

Krishnan

Gupta

Grover

et al. 2020

Indian J Psychiatry

Self Cite

285

125

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“…The use of telemedicine services to help patients is a welcoming change in a country of 1.3 billion, where the prevalence of insomnia, RLS, and OSA is 10%, 2.3%, and 3.7%-7.5 %, respectively. [9][10][11][12] In such a scenario, teleconsultation should be encouraged to bridge the existing gaps in service delivery and to reduce the health and economic impact of sleep disorders. 13,14 Sleep physicians from the USA have shown an inclination towards continuing telemedicine services even after the pandemic would be over, and the same may be followed in India.…”

Section: A C C E P T E D P a P E Rmentioning

confidence: 99%

Status of the practice of sleep medicine in India during the COVID-19 pandemic

Kanchan¹,

Saini

Daga

et al. 2021

Journal of Clinical Sleep Medicine

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Journal of Clinical Sleep Medicine is dedicated to advancing the science of clinical sleep medicine. In order to provide subscribers with access to new scientific developments as early as possible, accepted papers are posted prior to their final publication in an issue. These papers are posted as received-without copyediting or formatting by the publisher. In some instances, substantial changes are made during the copyediting and formatting processes; therefore, the final version of the paper may differ significantly from this version.Unless indicated otherwise, all papers are copyright of the American Academy of Sleep Medicine. No paper in whole or in part may be used in any form without written permission from the American Academy of Sleep Medicine.

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“…In addition, another possible cause of the insignificant moderator effect is that altitude can affect sleep from operator sleep duration and quality [55] but would not moderate the relationship between sleep and fatigue. Simultaneously, our current experiment could not validate this assumption because, in our experiment design, sleep factors were all independent variables.…”

Section: B the Interactions Among Altitude Sleep And Fatiguementioning

confidence: 99%

Integrating Ergonomics Into Safety Management: A Conceptual Risk Assessment Model for Tower Controllers at Multiple Altitudes

et al. 2021

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Plateau and high plateau airports aggravate tower controllers' vulnerability, facing high safety risks, yet the risk evaluation paradigm to manage safety at multiple altitudes still lacks. The study aimed to investigate the effects of altitudes on controllers' mental workload and fatigue to assess the safety risk and introduced voices, mental workload, and fatigue, into a conceptual risk assessment model. Controllers from the Civil Aviation Administration of China (CAAC) conducted the experimental tasks, reporting mental workload and perception fatigue across three altitudes: 0 m, 2243 m, and 3569.7 m. With experimental data: this research (1) quantitatively compared the voice feature differences with feature engineering, and an image quality measure, (2) explored the effects of altitude, sleep, and fatigue, (3) tested the effects of altitude and task complexity on mental workload, and (4) evaluated the airport safety risks under ergonomic factors. Notably, the study revealed that Log-Mel spectrograms outperformed Mel Frequency Cepstral Coefficients (MFCC) in severe fatigue detection. Altitude and task complexity had significant main effects on the mental workload, but altitude had no significant moderator effects on the relationship between sleep and fatigue. The simulation results show that under the low task complexity, the operation risk is low over three airport elevations (with the human error rate < 10 −3 ), whereas under the high task complexity, the operation risk increased with altitudes (from 1.73× 10 −3 to 1.02 × 10 −1 ). Together, these results suggest that ergonomic factors influenced airport safety risk at multiple altitudes and promising real-time fatigue detection with voice features at different altitudes.

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Comparison of Subjective Sleep Quality of Long-Term Residents at Low and High Altitudes: SARAHA Study

Abstract: This study showed that poor quality of sleep was approximately twice as prevalent at high altitudes compared to low altitudes even after removing the potential confounders such as RLS and COPD.

Cited by 14 publications

References 34 publications

Changes in sleep pattern and sleep quality during COVID-19 lockdown

Changes in sleep pattern and sleep quality during COVID-19 lockdown

Status of the practice of sleep medicine in India during the COVID-19 pandemic

Integrating Ergonomics Into Safety Management: A Conceptual Risk Assessment Model for Tower Controllers at Multiple Altitudes

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