Observing changes in human functioning during induced sleep deficiency and recovery periods.

Prolonged periods of sleep restriction seem to be common in the contemporary world. Sleep loss causes perturbations of circadian rhythmicity and degradation of waking alertness as reflected in attention, cognitive efficiency and memory. Understanding whether and how the human brain recovers from chr...

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Autores principales:	Jeremi K Ochab, Jerzy Szwed, Katarzyna Oleś, Anna Bereś, Dante R Chialvo, Aleksandra Domagalik, Magdalena Fąfrowicz, Halszka Ogińska, Ewa Gudowska-Nowak, Tadeusz Marek, Maciej A Nowak
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c961aab0d0824539829d86150e1e6f3e
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spelling	oai:doaj.org-article:c961aab0d0824539829d86150e1e6f3e2021-12-02T20:08:45ZObserving changes in human functioning during induced sleep deficiency and recovery periods.1932-620310.1371/journal.pone.0255771https://doaj.org/article/c961aab0d0824539829d86150e1e6f3e2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255771https://doaj.org/toc/1932-6203Prolonged periods of sleep restriction seem to be common in the contemporary world. Sleep loss causes perturbations of circadian rhythmicity and degradation of waking alertness as reflected in attention, cognitive efficiency and memory. Understanding whether and how the human brain recovers from chronic sleep loss is important not only from a scientific but also from a public health perspective. In this work we report on behavioral, motor, and neurophysiological correlates of sleep loss in healthy adults in an unprecedented study conducted in natural conditions and comprising 21 consecutive days divided into periods of 4 days of regular life (a baseline), 10 days of chronic partial sleep restriction (30% reduction relative to individual sleep need) and 7 days of recovery. Throughout the whole experiment we continuously measured the spontaneous locomotor activity by means of actigraphy with 1-minute resolution. On a daily basis the subjects were undergoing EEG measurements (64-electrodes with 500 Hz sampling frequency): resting state with eyes open and closed (8 minutes long each) followed by Stroop task lasting 22 minutes. Altogether we analyzed actigraphy (distributions of rest and activity durations), behavioral measures (reaction times and accuracy from Stroop task) and EEG (amplitudes, latencies and scalp maps of event-related potentials from Stroop task and power spectra from resting states). We observed unanimous deterioration in all the measures during sleep restriction. Further results indicate that a week of recovery subsequent to prolonged periods of sleep restriction is insufficient to recover fully. Only one measure (mean reaction time in Stroop task) reverted to baseline values, while the others did not.Jeremi K OchabJerzy SzwedKatarzyna OleśAnna BereśDante R ChialvoAleksandra DomagalikMagdalena FąfrowiczHalszka OgińskaEwa Gudowska-NowakTadeusz MarekMaciej A NowakPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0255771 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jeremi K Ochab Jerzy Szwed Katarzyna Oleś Anna Bereś Dante R Chialvo Aleksandra Domagalik Magdalena Fąfrowicz Halszka Ogińska Ewa Gudowska-Nowak Tadeusz Marek Maciej A Nowak Observing changes in human functioning during induced sleep deficiency and recovery periods.
description	Prolonged periods of sleep restriction seem to be common in the contemporary world. Sleep loss causes perturbations of circadian rhythmicity and degradation of waking alertness as reflected in attention, cognitive efficiency and memory. Understanding whether and how the human brain recovers from chronic sleep loss is important not only from a scientific but also from a public health perspective. In this work we report on behavioral, motor, and neurophysiological correlates of sleep loss in healthy adults in an unprecedented study conducted in natural conditions and comprising 21 consecutive days divided into periods of 4 days of regular life (a baseline), 10 days of chronic partial sleep restriction (30% reduction relative to individual sleep need) and 7 days of recovery. Throughout the whole experiment we continuously measured the spontaneous locomotor activity by means of actigraphy with 1-minute resolution. On a daily basis the subjects were undergoing EEG measurements (64-electrodes with 500 Hz sampling frequency): resting state with eyes open and closed (8 minutes long each) followed by Stroop task lasting 22 minutes. Altogether we analyzed actigraphy (distributions of rest and activity durations), behavioral measures (reaction times and accuracy from Stroop task) and EEG (amplitudes, latencies and scalp maps of event-related potentials from Stroop task and power spectra from resting states). We observed unanimous deterioration in all the measures during sleep restriction. Further results indicate that a week of recovery subsequent to prolonged periods of sleep restriction is insufficient to recover fully. Only one measure (mean reaction time in Stroop task) reverted to baseline values, while the others did not.
format	article
author	Jeremi K Ochab Jerzy Szwed Katarzyna Oleś Anna Bereś Dante R Chialvo Aleksandra Domagalik Magdalena Fąfrowicz Halszka Ogińska Ewa Gudowska-Nowak Tadeusz Marek Maciej A Nowak
author_facet	Jeremi K Ochab Jerzy Szwed Katarzyna Oleś Anna Bereś Dante R Chialvo Aleksandra Domagalik Magdalena Fąfrowicz Halszka Ogińska Ewa Gudowska-Nowak Tadeusz Marek Maciej A Nowak
author_sort	Jeremi K Ochab
title	Observing changes in human functioning during induced sleep deficiency and recovery periods.
title_short	Observing changes in human functioning during induced sleep deficiency and recovery periods.
title_full	Observing changes in human functioning during induced sleep deficiency and recovery periods.
title_fullStr	Observing changes in human functioning during induced sleep deficiency and recovery periods.
title_full_unstemmed	Observing changes in human functioning during induced sleep deficiency and recovery periods.
title_sort	observing changes in human functioning during induced sleep deficiency and recovery periods.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/c961aab0d0824539829d86150e1e6f3e
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Observing changes in human functioning during induced sleep deficiency and recovery periods.

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