Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness

Xu-gang Tang,1 Ji-hang Zhang,1 Xu-bin Gao,1 Qian-ning Li,2 Jia-bei Li,1 Jie Yu1 Jun Qin,1 Lan Huang11Institute of Cardiovascular Diseases, 2Department of Neurology, Xinqiao Hospital, Third Military Medical University, Chongqing, People&...

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Autores principales:	Tang XG, Zhang JH, Gao XB, Li QN, Li JB, Yu J, Qin J, Huang L
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2014
Materias:	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/980c0b03a2864e88bd2cda329227413e
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spelling	oai:doaj.org-article:980c0b03a2864e88bd2cda329227413e2021-12-02T06:30:21ZSleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness1178-2021https://doaj.org/article/980c0b03a2864e88bd2cda329227413e2014-07-01T00:00:00Zhttp://www.dovepress.com/sleep-quality-changes-in-insomniacs-and-non-insomniacs-after-acute-alt-peer-reviewed-article-NDThttps://doaj.org/toc/1178-2021 Xu-gang Tang,1 Ji-hang Zhang,1 Xu-bin Gao,1 Qian-ning Li,2 Jia-bei Li,1 Jie Yu1 Jun Qin,1 Lan Huang11Institute of Cardiovascular Diseases, 2Department of Neurology, Xinqiao Hospital, Third Military Medical University, Chongqing, People’s Republic of ChinaObjective: We aimed to observe the changes in subjective sleep quality among insomniacs and non-insomniacs after acute ascending to 3,700 m and its possible relationship with acute mountain sickness (AMS). Methods: A total of 600 adult men were recruited. Subjects’ subjective sleep quality was evaluated by the Athens Insomnia Scale. AMS was assessed using the Lake Louise scoring system. Arterial oxygen saturation was measured. Results: Despite insomnia resolution in only a few subjects, the prevalence of insomnia among insomniacs remained stable at 90% after rapid ascent to 3,700 m. However, among non-insomniacs, the prevalence of insomnia sharply increased to 32.13% in the first day of altitude exposure and progressively reduced to 4.26% by the 60th day of altitude stay. Moreover, the prevalences of insomnia symptoms decreased more markedly from day 1 to day 60 at 3,700 m among non-insomniacs than among insomniacs. At 3,700 m, the prevalence of AMS among insomniacs was 79.01%, 60.49%, and 32.10% on the first, third, and seventh days, respectively, which was significantly higher than that among non-insomniacs. Multivariate regression revealed that elevated Athens Insomnia Scale scores are an independent risk factor for AMS (adjusted odds ratio 1.388, 95% confidence interval: 1.314–1.464, P<0.001), whereas high arterial oxygen saturation and long duration of altitude exposure are protective factors against AMS. Conclusion: Our results suggest that the effect of high-altitude exposure on subjective sleep quality is more marked, but disappears more quickly, among non-insomniacs than among insomniacs, whereas AMS is especially common among insomniacs. Moreover, poor subjective sleep quality is a risk factor for AMS. Keywords: Athens Insomnia Scale, arterial oxygen saturation, rapid ascent, sleep Tang XGZhang JHGao XBLi QNLi JBYu JQin JHuang LDove Medical PressarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2014, Iss default, Pp 1423-1432 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Tang XG Zhang JH Gao XB Li QN Li JB Yu J Qin J Huang L Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
description	Xu-gang Tang,1 Ji-hang Zhang,1 Xu-bin Gao,1 Qian-ning Li,2 Jia-bei Li,1 Jie Yu1 Jun Qin,1 Lan Huang11Institute of Cardiovascular Diseases, 2Department of Neurology, Xinqiao Hospital, Third Military Medical University, Chongqing, People’s Republic of ChinaObjective: We aimed to observe the changes in subjective sleep quality among insomniacs and non-insomniacs after acute ascending to 3,700 m and its possible relationship with acute mountain sickness (AMS). Methods: A total of 600 adult men were recruited. Subjects’ subjective sleep quality was evaluated by the Athens Insomnia Scale. AMS was assessed using the Lake Louise scoring system. Arterial oxygen saturation was measured. Results: Despite insomnia resolution in only a few subjects, the prevalence of insomnia among insomniacs remained stable at 90% after rapid ascent to 3,700 m. However, among non-insomniacs, the prevalence of insomnia sharply increased to 32.13% in the first day of altitude exposure and progressively reduced to 4.26% by the 60th day of altitude stay. Moreover, the prevalences of insomnia symptoms decreased more markedly from day 1 to day 60 at 3,700 m among non-insomniacs than among insomniacs. At 3,700 m, the prevalence of AMS among insomniacs was 79.01%, 60.49%, and 32.10% on the first, third, and seventh days, respectively, which was significantly higher than that among non-insomniacs. Multivariate regression revealed that elevated Athens Insomnia Scale scores are an independent risk factor for AMS (adjusted odds ratio 1.388, 95% confidence interval: 1.314–1.464, P<0.001), whereas high arterial oxygen saturation and long duration of altitude exposure are protective factors against AMS. Conclusion: Our results suggest that the effect of high-altitude exposure on subjective sleep quality is more marked, but disappears more quickly, among non-insomniacs than among insomniacs, whereas AMS is especially common among insomniacs. Moreover, poor subjective sleep quality is a risk factor for AMS. Keywords: Athens Insomnia Scale, arterial oxygen saturation, rapid ascent, sleep
format	article
author	Tang XG Zhang JH Gao XB Li QN Li JB Yu J Qin J Huang L
author_facet	Tang XG Zhang JH Gao XB Li QN Li JB Yu J Qin J Huang L
author_sort	Tang XG
title	Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
title_short	Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
title_full	Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
title_fullStr	Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
title_full_unstemmed	Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
title_sort	sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness
publisher	Dove Medical Press
publishDate	2014
url	https://doaj.org/article/980c0b03a2864e88bd2cda329227413e
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Sleep quality changes in insomniacs and non-insomniacs after acute altitude exposure and its relationship with acute mountain sickness

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