Cited by 168Sleep and Wakefulness ResearchAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

The sleep–wake Cycle and Alzheimer’s Disease: What do We know?

Open access
Lim, Miranda M, Gerstner, Jason R, Holtzman, David M·2014·Neurodegenerative Disease Management

Abstract

Sleep-wake disturbances are a highly prevalent and often disabling feature of Alzheimer's disease (AD). A cardinal feature of AD includes the formation of amyloid plaques, associated with the extracellular accumulation of the amyloid-β (Aβ) peptide. Evidence from animal and human studies suggests that Aβ pathology may disrupt the sleep-wake cycle, in that as Aβ accumulates, more sleep-wake fragmentation develops. Furthermore, recent research in animal and human studies suggests that the sleep-wake cycle itself may influence Alzheimer's disease onset and progression. Chronic sleep deprivation increases amyloid plaque deposition, and sleep extension results in fewer plaques in experimental models. In this review geared towards the practicing clinician, we discuss possible mechanisms underlying the reciprocal relationship between the sleep-wake cycle and AD pathology and behavior, and present current approaches to therapy for sleep disorders in AD.

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Crossref · 10.2217/nmt.14.33

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  • Agitation is common in Alzheimer's disease, with 60% of people with MCI and 76% of people with Alzheimer's dementia experiencing agitation.

    “Agitation is common in Alzheimer's disease, with 60% of people with MCI and 76% of people with Alzheimer's dementia experiencing agitation.”

    From 2024 Alzheimer's disease facts and figures (2024) · cites this paper as [63]

    The Conclusion & future perspective section describes sundowning as a common feature of Alzheimer’s dementia, and the References identify sundowning as an agitation state. However, the paper does not report that agitation affects 60% of people with MCI or 76% of people with Alzheimer’s dementia; its 25–60% figure in the Abstract concerns sleep and circadian disturbances, not agitation. (LLM, conf=0.78)

    Experimental — accuracy not yet measured
  • Increases in beta-amyloid and tau may interrupt the sleep-wake cycle, leading to increased sleep fragmentation and wakefulness and decreased slow-wave sleep.

    “For example, increases in beta‐amyloid and tau may interrupt the sleep‐wake cycle, 217 leading to increased sleep fragmentation and wakefulness and decreased slow‐wave sleep. 63”

    From 2024 Alzheimer's disease facts and figures (2024) · cites this paper as [63]

  • Enhancing normal sleep patterns may alleviate AD pathogenesis, as extension of sleep duration decreases plaque deposition in animal models.

    “In contrast to SD, enhancing normal sleep patterns may alleviate AD pathogenesis, as extension of sleep duration decreases plaque deposition in animal models [574].”

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Research works printed but not linked: 1

  1. [74]Naylor E Aillon DV Barrett BS Lactate as a biomarker for sleep Sleep 35 9 1209 1222 2012 22942499 PMC3413798

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Authors
Lim, M. M., Gerstner, J. R., & Holtzman, D. M.
Affiliations
  • Oregon Health & Science University (US)
  • Washington State University Spokane (US)
  • Washington University in St. Louis (US)
Venue
Neurodegenerative Disease Management
Published
2014-10
Volume
4
Issue
5
Pages
351-362
ISSN
  • 1758-2024 (ISSN-L)
  • 1758-2032
OpenAlex
W1984375619
Cited by
168
References
105
Citations by year
2026: 17 · 2025: 15 · 2024: 15 · 2023: 8 · 2022: 20 · 2021: 14 · 2020: 16 · 2019: 16 · 2018: 17 · 2017: 14 · 2016: 11 · 2015: 4
FWCI
0.94
Type
journal article
Language
en
Open access
Locations
  • Neurodegenerative Disease Management (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (P01 AG0 3991, P01AG003991)
  • National Heart, Lung, and Blood Institute (T32HL007713)
  • National Institute of Neurological Disorders and Stroke (P01NS080675, 1P01NS074969-A1, P01NS074969)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, sleep-wake cycle, sleep-wake disturbances, amyloid-beta, amyloid plaques, sleep fragmentation, chronic sleep deprivation, sleep extension, disease progression
MeSH terms
Alzheimer Disease, Animals, Brain, Disease Models, Animal, Humans, Sleep, Amyloid beta-Peptides, Disease Progression, Sleep Disorders, Circadian Rhythm, Plaque, Amyloid

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