Cited by 185Sleep and Wakefulness ResearchStress Responses and CortisolSleep and Work-Related Fatigue

Nocturnal Cortisol Release in Relation to Sleep Structure

Follenius, M., Brandenberger, G., Bandesapt, J. J., Libert, J. P., Ehrhart, J.·1992·Sleep

Abstract

The relationship between the temporal organization of cortisol secretion and sleep structure is controversial. To determine whether the cortisol profile is modified by 4 hours of sleep deprivation, which shifts slow-wave sleep (SWS) episodes, 12 normal men were studied during a reference night, a sleep deprivation night and a recovery night. Plasma cortisol was measured in 10-minute blood samples. Analysis of the nocturnal cortisol profiles and the concomitant patterns of sleep stage distribution indicates that the cortisol profile is not influenced by sleep deprivation. Neither the starting time of the cortisol increase nor the mean number and amplitude of pulses was significantly different between the three nights. SWS episodes were significantly associated with declining plasma cortisol levels (p less than 0.01). This was especially revealed after sleep deprivation, as SWS episodes were particularly present during the second half of the night, a period of enhanced cortisol secretion. In 73% of cases, rapid eye movement sleep phases started when cortisol was reflecting diminished adrenocortical activity. Cortisol increases were not concomitant with a specific sleep stage but generally accompanied prolonged waking periods. These findings tend to imply that cortisol-releasing mechanisms may be involved in the regulation of sleep.

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Authors
Follenius, M., Brandenberger, G., Bandesapt, J. J., Libert, J. P., & Ehrhart, J.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Follenius, M.
Venue
Sleep
Published
1992-01
Volume
15
Issue
1
Pages
21-27
ISSN
  • 0161-8105 (ISSN-L)
  • 1550-9109
OpenAlex
W96537532
Cited by
185
References
20
Citations by year
2025: 2 · 2024: 7 · 2023: 1 · 2022: 6 · 2021: 7 · 2020: 4 · 2019: 1 · 2018: 6 · 2017: 5 · 2016: 5 · 2015: 9 · 2014: 6 · 2013: 12 · 2012: 15
FWCI
2.33
Type
journal article
Language
en
Open access
closed
Locations
  • SLEEP (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
sleep architecture, sleep deprivation, slow-wave sleep, REM sleep, plasma cortisol, cortisol secretion, adrenocortical function, sleep regulation
MeSH terms
Adult, Arousal, Cerebral Cortex, Circadian Rhythm, Humans, Hydrocortisone, Male, Pituitary Gland, Sleep Deprivation, Sleep Stages, Sleep, REM

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