How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights

Aljohara S Almeneessier,1,2 Ahmed S BaHammam1 1Department of Medicine, University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia; 2Department of Family Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia Abstract: Mealtimes and feeding s...

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Autores principales: Almeneessier AS, BaHammam AS
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Lenguaje:EN
Publicado: Dove Medical Press 2018
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Acceso en línea:https://doaj.org/article/088c64f14fa74bfaa5920c6dc5d12861
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spelling oai:doaj.org-article:088c64f14fa74bfaa5920c6dc5d128612021-12-02T05:54:29ZHow does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights1179-1608https://doaj.org/article/088c64f14fa74bfaa5920c6dc5d128612018-12-01T00:00:00Zhttps://www.dovepress.com/how-does-diurnal-intermittent-fasting-impact-sleep-daytime-sleepiness--peer-reviewed-article-NSShttps://doaj.org/toc/1179-1608Aljohara S Almeneessier,1,2 Ahmed S BaHammam1 1Department of Medicine, University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia; 2Department of Family Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia Abstract: Mealtimes and feeding schedules may interfere with the circadian system and impact sleep. The practice of intermittent fasting (IF) in its different formats is increasing worldwide. However, most studies addressing the effect of IF on circadian rhythms, daytime sleepiness, and sleep architecture have been conducted during diurnal IF for Ramadan. In this article, we analyze the effect of diurnal IF on the circadian clock, sleep, and daytime sleepiness. In free-living, unconstrained environments that do not control for lifestyle changes such as sleep/wake schedules, sleep duration, and light exposure, studies have demonstrated sudden and significant delays in bedtime and wake time during diurnal intermittent fasting for Ramadan. However, subsequent studies that accounted for lifestyle factors and sleep/wake patterns have reported no changes in markers of the biological clock, daytime sleepiness, or sleep parameters. Nevertheless, several researchers have demonstrated a reduction in the proportion of rapid eye movement stage sleep as the significant alteration in sleep architecture during fasting. Keywords: mealtime, Ramadan, chronotype, sleep architecture, alertness, food, light, caloric restrictionAlmeneessier ASBaHammam ASDove Medical PressarticlemealtimeRamadanchronotypesleep architecturealertnessfoodlightcaloric restrictionPsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol Volume 10, Pp 439-452 (2018)
institution DOAJ
collection DOAJ
language EN
topic mealtime
Ramadan
chronotype
sleep architecture
alertness
food
light
caloric restriction
Psychiatry
RC435-571
Neurophysiology and neuropsychology
QP351-495
spellingShingle mealtime
Ramadan
chronotype
sleep architecture
alertness
food
light
caloric restriction
Psychiatry
RC435-571
Neurophysiology and neuropsychology
QP351-495
Almeneessier AS
BaHammam AS
How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights
description Aljohara S Almeneessier,1,2 Ahmed S BaHammam1 1Department of Medicine, University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia; 2Department of Family Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia Abstract: Mealtimes and feeding schedules may interfere with the circadian system and impact sleep. The practice of intermittent fasting (IF) in its different formats is increasing worldwide. However, most studies addressing the effect of IF on circadian rhythms, daytime sleepiness, and sleep architecture have been conducted during diurnal IF for Ramadan. In this article, we analyze the effect of diurnal IF on the circadian clock, sleep, and daytime sleepiness. In free-living, unconstrained environments that do not control for lifestyle changes such as sleep/wake schedules, sleep duration, and light exposure, studies have demonstrated sudden and significant delays in bedtime and wake time during diurnal intermittent fasting for Ramadan. However, subsequent studies that accounted for lifestyle factors and sleep/wake patterns have reported no changes in markers of the biological clock, daytime sleepiness, or sleep parameters. Nevertheless, several researchers have demonstrated a reduction in the proportion of rapid eye movement stage sleep as the significant alteration in sleep architecture during fasting. Keywords: mealtime, Ramadan, chronotype, sleep architecture, alertness, food, light, caloric restriction
format article
author Almeneessier AS
BaHammam AS
author_facet Almeneessier AS
BaHammam AS
author_sort Almeneessier AS
title How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights
title_short How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights
title_full How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights
title_fullStr How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights
title_full_unstemmed How does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? Current insights
title_sort how does diurnal intermittent fasting impact sleep, daytime sleepiness, and markers of the biological clock? current insights
publisher Dove Medical Press
publishDate 2018
url https://doaj.org/article/088c64f14fa74bfaa5920c6dc5d12861
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AT bahammamas howdoesdiurnalintermittentfastingimpactsleepdaytimesleepinessandmarkersofthebiologicalclockcurrentinsights
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