Cited by 110Sleep and Wakefulness ResearchNeural dynamics and brain functionNeuroscience of respiration and sleep

Sleep function: current questions and new approaches

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Vassalli, Anne, Dijk, Derk‐Jan·2009·European Journal of Neuroscience

Abstract

The mammalian brain oscillates through three distinct global activity states: wakefulness, non‐rapid eye movement (NREM) sleep and REM sleep. The regulation and function of these ‘vigilance’ or ‘behavioural’ states can be investigated over a broad range of temporal and spatial scales and at different levels of functional organization, i.e. from gene expression to memory, in single neurons, cortical columns or the whole brain and organism. We summarize some basic questions that have arisen from recent approaches in the quest for the functions of sleep. Whereas traditionally sleep was viewed to be regulated through top‐down control mechanisms, recent approaches have emphasized that sleep is emerging locally and regulated in a use‐dependent (homeostatic) manner. Traditional markers of sleep homeostasis, such as the electroencephalogram slow‐wave activity, have been linked to changes in connectivity and plasticity in local neuronal networks. Thus waking experience‐induced local network changes may be sensed by the sleep homeostatic process and used to mediate sleep‐dependent events, benefiting network stabilization and memory consolidation. Although many questions remain unanswered, the available data suggest that sleep function will best be understood by an analysis which integrates sleep’s many functional levels with its local homeostatic regulation.

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Crossref · 10.1111/j.1460-9568.2009.06767.x

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  • The finding challenges the belief that sleep primarily restores central nervous system function and suggests that sleep may play an equally important role in peripheral energy metabolism.

    “Further, our finding of marked alterations in adipocyte function after experimental sleep restriction challenges the widely held belief that the primary function of sleep is the restoration of central nervous system function (26–29) and suggests that sleep may play an equally important role in peripheral energy metabolism.”

    From Impaired Insulin Signaling in Human Adipocytes After Experimental Sleep Restriction: A Randomized, Crossover Study (2012) · cites this paper as [28]

    The Background (p. 1) presents restoration of brain function as a traditional view of sleep, and the discussion of sleep homeostasis (p. 5) cites evidence that sleep reverses changes in the brain caused by wakefulness. But the paper treats whether sleep has one primary function as an open question (p. 5); it does not endorse CNS restoration as the primary function. The adipocyte finding and inference about peripheral metabolism are the citing authors’ own, not claims attributed to this source. (LLM, conf=0.82)

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Research works printed but not linked: 1

  1. Anderson, M.P., Mochizuki, T., Xie, J., Fischler, W., Manger, J.P., Talley, E.M., Scammell, T.E. & Tonegawa, S. (2005) Thalamic Cav3.1 T-type Ca2 + channel plays a crucial role in stabilizing sleep. Proc. Natl Acad. Sci. USA , 102 , 1743-1748.

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Authors
Vassalli, A., & Dijk, D.
Affiliations
  • University of Lausanne (CH)
  • University of Surrey (GB)
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2009-05
Volume
29
Issue
9
Pages
1830-1841
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W1979724295
Cited by
110
References
114
Citations by year
2026: 1 · 2025: 2 · 2024: 6 · 2023: 4 · 2022: 5 · 2021: 8 · 2020: 3 · 2019: 6 · 2018: 7 · 2017: 4 · 2016: 2 · 2015: 11 · 2014: 9 · 2013: 9 · 2012: 14
FWCI
0.81
Type
journal article
Language
en
Open access
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • SERVAL (Université de Lausanne) (publishedVersion, other-oa)
  • IRIS (submittedVersion)
  • Open Research (University of Surrey) (submittedVersion)
  • Surrey Research Insight Open Access (The University of Surrey) (submittedVersion)
Funders
  • Wellcome Trust
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
  • Directorate for Biological Sciences
  • Biotechnology and Biological Sciences Research Council
  • Air Force Office of Scientific Research
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroscience of respiration and sleep
Keywords
sleep function, sleep homeostasis, sleep-wake states, wakefulness, NREM sleep, REM sleep, slow-wave activity, network connectivity, memory consolidation, sleep regulation, top-down control
MeSH terms
Aging, Animals, Brain, Circadian Rhythm, Female, Homeostasis, Humans, Male, Memory, Neuronal Plasticity, Neurons, Sex Characteristics, Sleep, Synapses

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