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Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers

Background: Night shift work often implies shorter sleep duration and this can lead to sleepiness, which has been associated with an increased risk of accidents and injuries. The aim is to study how the number of consecutive night shifts affects self-reported sleepiness. Participants and methods: Th...

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Autores principales: Jensen, Marie Aarrebo, Nielsen, Helena Breth, Sallinen, Mikael, Kristiansen, Jesper, Hansen, Åse Marie, Garde, Anne Helene
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9518407/
https://www.ncbi.nlm.nih.gov/pubmed/36078243
http://dx.doi.org/10.3390/ijerph191710527
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author Jensen, Marie Aarrebo
Nielsen, Helena Breth
Sallinen, Mikael
Kristiansen, Jesper
Hansen, Åse Marie
Garde, Anne Helene
author_facet Jensen, Marie Aarrebo
Nielsen, Helena Breth
Sallinen, Mikael
Kristiansen, Jesper
Hansen, Åse Marie
Garde, Anne Helene
author_sort Jensen, Marie Aarrebo
collection PubMed
description Background: Night shift work often implies shorter sleep duration and this can lead to sleepiness, which has been associated with an increased risk of accidents and injuries. The aim is to study how the number of consecutive night shifts affects self-reported sleepiness. Participants and methods: The study was a quasi-experimental, within-subject crossover study with 73 police officers. Three work schedules of two, four, and seven consecutive night shifts followed by the same number of recovery days, i.e., days worked or days off, was performed by all participants. Sleepiness was self-reported using the Karolinska sleepiness scale (KSS) every fourth hour on the last night shift and the last recovery day in each sequence. Results: We observed differences in the level of sleepiness between recovery days and night shift days but no differences in the pattern of sleepiness levels on night shift days in the different work schedules. The highest levels of KSS were observed before bedtime (at 07:00 after a night shift and 23:00 on a recovery day). Conclusion: The number of consecutive night shifts did not affect the self-reported levels of self-reported sleepiness among Danish police officers.
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spelling pubmed-95184072022-09-29 Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers Jensen, Marie Aarrebo Nielsen, Helena Breth Sallinen, Mikael Kristiansen, Jesper Hansen, Åse Marie Garde, Anne Helene Int J Environ Res Public Health Article Background: Night shift work often implies shorter sleep duration and this can lead to sleepiness, which has been associated with an increased risk of accidents and injuries. The aim is to study how the number of consecutive night shifts affects self-reported sleepiness. Participants and methods: The study was a quasi-experimental, within-subject crossover study with 73 police officers. Three work schedules of two, four, and seven consecutive night shifts followed by the same number of recovery days, i.e., days worked or days off, was performed by all participants. Sleepiness was self-reported using the Karolinska sleepiness scale (KSS) every fourth hour on the last night shift and the last recovery day in each sequence. Results: We observed differences in the level of sleepiness between recovery days and night shift days but no differences in the pattern of sleepiness levels on night shift days in the different work schedules. The highest levels of KSS were observed before bedtime (at 07:00 after a night shift and 23:00 on a recovery day). Conclusion: The number of consecutive night shifts did not affect the self-reported levels of self-reported sleepiness among Danish police officers. MDPI 2022-08-24 /pmc/articles/PMC9518407/ /pubmed/36078243 http://dx.doi.org/10.3390/ijerph191710527 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Jensen, Marie Aarrebo
Nielsen, Helena Breth
Sallinen, Mikael
Kristiansen, Jesper
Hansen, Åse Marie
Garde, Anne Helene
Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers
title Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers
title_full Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers
title_fullStr Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers
title_full_unstemmed Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers
title_short Self-Reported Sleepiness after 2, 4, and 7 Consecutive Night Shifts and Recovery Days in Danish Police Officers
title_sort self-reported sleepiness after 2, 4, and 7 consecutive night shifts and recovery days in danish police officers
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9518407/
https://www.ncbi.nlm.nih.gov/pubmed/36078243
http://dx.doi.org/10.3390/ijerph191710527
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