Qualitative and quantitative analyses of polysomnographic measurements in foals

Abstract Veterinary and human medicine are still seeking a conclusive explanation of the function of sleep, including the change in sleep behaviour over the course of an individual’s lifetime. In human medicine, sleep disorders and abnormalities in the electroencephalogram are used for prognostic st...

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Autores principales:	Antonia Zanker, Anna-Caroline Wöhr, Sven Reese, Michael Erhard
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/78d1346f16bc46f0b203773ebfb78635
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spelling	oai:doaj.org-article:78d1346f16bc46f0b203773ebfb786352021-12-02T16:43:38ZQualitative and quantitative analyses of polysomnographic measurements in foals10.1038/s41598-021-95770-52045-2322https://doaj.org/article/78d1346f16bc46f0b203773ebfb786352021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95770-5https://doaj.org/toc/2045-2322Abstract Veterinary and human medicine are still seeking a conclusive explanation of the function of sleep, including the change in sleep behaviour over the course of an individual’s lifetime. In human medicine, sleep disorders and abnormalities in the electroencephalogram are used for prognostic statements, therapeutic means and diagnoses. To facilitate such use in foal medicine, we monitored 10 foals polysomnographically for 48 h. Via 10 attached cup electrodes, brain waves were recorded by electroencephalography, eye movements by electrooculography and muscle activity by electromyography. Wireless polysomnographs allowed us to measure the foals in their home stables. In addition, each foal was simultaneously monitored with infrared video cameras. By combining the recorded data, we determined the time budgeting of the foals over 48 h, whereby the states of vigilance were divided into wakefulness, light sleep, slow-wave sleep and rapid-eye-movement sleep, and the body positions into standing, suckling, sternal recumbency and lateral recumbency. The results of the qualitative analyses showed that the brain waves of the foals differ in their morphology from those previously reported for adult horses. The quantitative data analyses revealed that foals suckle throughout all periods of the day, including night-time. The results of our combined measurements allow optimizing the daily schedule of the foals according to their sleep and activity times. We recommend that stall rest should begin no later than 9.00 p.m. and daily stable work should be done in the late afternoon.Antonia ZankerAnna-Caroline WöhrSven ReeseMichael ErhardNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Antonia Zanker Anna-Caroline Wöhr Sven Reese Michael Erhard Qualitative and quantitative analyses of polysomnographic measurements in foals
description	Abstract Veterinary and human medicine are still seeking a conclusive explanation of the function of sleep, including the change in sleep behaviour over the course of an individual’s lifetime. In human medicine, sleep disorders and abnormalities in the electroencephalogram are used for prognostic statements, therapeutic means and diagnoses. To facilitate such use in foal medicine, we monitored 10 foals polysomnographically for 48 h. Via 10 attached cup electrodes, brain waves were recorded by electroencephalography, eye movements by electrooculography and muscle activity by electromyography. Wireless polysomnographs allowed us to measure the foals in their home stables. In addition, each foal was simultaneously monitored with infrared video cameras. By combining the recorded data, we determined the time budgeting of the foals over 48 h, whereby the states of vigilance were divided into wakefulness, light sleep, slow-wave sleep and rapid-eye-movement sleep, and the body positions into standing, suckling, sternal recumbency and lateral recumbency. The results of the qualitative analyses showed that the brain waves of the foals differ in their morphology from those previously reported for adult horses. The quantitative data analyses revealed that foals suckle throughout all periods of the day, including night-time. The results of our combined measurements allow optimizing the daily schedule of the foals according to their sleep and activity times. We recommend that stall rest should begin no later than 9.00 p.m. and daily stable work should be done in the late afternoon.
format	article
author	Antonia Zanker Anna-Caroline Wöhr Sven Reese Michael Erhard
author_facet	Antonia Zanker Anna-Caroline Wöhr Sven Reese Michael Erhard
author_sort	Antonia Zanker
title	Qualitative and quantitative analyses of polysomnographic measurements in foals
title_short	Qualitative and quantitative analyses of polysomnographic measurements in foals
title_full	Qualitative and quantitative analyses of polysomnographic measurements in foals
title_fullStr	Qualitative and quantitative analyses of polysomnographic measurements in foals
title_full_unstemmed	Qualitative and quantitative analyses of polysomnographic measurements in foals
title_sort	qualitative and quantitative analyses of polysomnographic measurements in foals
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/78d1346f16bc46f0b203773ebfb78635
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Qualitative and quantitative analyses of polysomnographic measurements in foals

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