Altered sleep spindles and slow waves during space shuttle missions

Abstract Sleep deficiencies and associated performance decrements are common among astronauts during spaceflight missions. Previously, sleep in space was analyzed with a focus on global measures while the intricate structure of sleep oscillations remains largely unexplored. This study extends previo...

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Autores principales:	Dominik P. Koller, Vida Kasanin, Erin E. Flynn-Evans, Jason P. Sullivan, Derk-Jan Dijk, Charles A. Czeisler, Laura K. Barger
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Biotechnology TP248.13-248.65 Physiology QP1-981
Acceso en línea:	https://doaj.org/article/e35d235da71d4c1dbf22589c3924851f
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spelling	oai:doaj.org-article:e35d235da71d4c1dbf22589c3924851f2021-11-21T12:29:48ZAltered sleep spindles and slow waves during space shuttle missions10.1038/s41526-021-00177-12373-8065https://doaj.org/article/e35d235da71d4c1dbf22589c3924851f2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41526-021-00177-1https://doaj.org/toc/2373-8065Abstract Sleep deficiencies and associated performance decrements are common among astronauts during spaceflight missions. Previously, sleep in space was analyzed with a focus on global measures while the intricate structure of sleep oscillations remains largely unexplored. This study extends previous findings by analyzing how spaceflight affects characteristics of sleep spindles and slow waves, two sleep oscillations associated with sleep quality and quantity, in four astronauts before, during and after two Space Shuttle missions. Analysis of these oscillations revealed significantly increased fast spindle density, elevated slow spindle frequency, and decreased slow wave amplitude in space compared to on Earth. These results reflect sleep characteristics during spaceflight on a finer electrophysiological scale and provide an opportunity for further research on sleep in space.Dominik P. KollerVida KasaninErin E. Flynn-EvansJason P. SullivanDerk-Jan DijkCharles A. CzeislerLaura K. BargerNature PortfolioarticleBiotechnologyTP248.13-248.65PhysiologyQP1-981ENnpj Microgravity, Vol 7, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biotechnology TP248.13-248.65 Physiology QP1-981
spellingShingle	Biotechnology TP248.13-248.65 Physiology QP1-981 Dominik P. Koller Vida Kasanin Erin E. Flynn-Evans Jason P. Sullivan Derk-Jan Dijk Charles A. Czeisler Laura K. Barger Altered sleep spindles and slow waves during space shuttle missions
description	Abstract Sleep deficiencies and associated performance decrements are common among astronauts during spaceflight missions. Previously, sleep in space was analyzed with a focus on global measures while the intricate structure of sleep oscillations remains largely unexplored. This study extends previous findings by analyzing how spaceflight affects characteristics of sleep spindles and slow waves, two sleep oscillations associated with sleep quality and quantity, in four astronauts before, during and after two Space Shuttle missions. Analysis of these oscillations revealed significantly increased fast spindle density, elevated slow spindle frequency, and decreased slow wave amplitude in space compared to on Earth. These results reflect sleep characteristics during spaceflight on a finer electrophysiological scale and provide an opportunity for further research on sleep in space.
format	article
author	Dominik P. Koller Vida Kasanin Erin E. Flynn-Evans Jason P. Sullivan Derk-Jan Dijk Charles A. Czeisler Laura K. Barger
author_facet	Dominik P. Koller Vida Kasanin Erin E. Flynn-Evans Jason P. Sullivan Derk-Jan Dijk Charles A. Czeisler Laura K. Barger
author_sort	Dominik P. Koller
title	Altered sleep spindles and slow waves during space shuttle missions
title_short	Altered sleep spindles and slow waves during space shuttle missions
title_full	Altered sleep spindles and slow waves during space shuttle missions
title_fullStr	Altered sleep spindles and slow waves during space shuttle missions
title_full_unstemmed	Altered sleep spindles and slow waves during space shuttle missions
title_sort	altered sleep spindles and slow waves during space shuttle missions
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e35d235da71d4c1dbf22589c3924851f
work_keys_str_mv	AT dominikpkoller alteredsleepspindlesandslowwavesduringspaceshuttlemissions AT vidakasanin alteredsleepspindlesandslowwavesduringspaceshuttlemissions AT erineflynnevans alteredsleepspindlesandslowwavesduringspaceshuttlemissions AT jasonpsullivan alteredsleepspindlesandslowwavesduringspaceshuttlemissions AT derkjandijk alteredsleepspindlesandslowwavesduringspaceshuttlemissions AT charlesaczeisler alteredsleepspindlesandslowwavesduringspaceshuttlemissions AT laurakbarger alteredsleepspindlesandslowwavesduringspaceshuttlemissions
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Altered sleep spindles and slow waves during space shuttle missions

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