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Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
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Sleep Dysfunction in Older Age Parkinson's Disease.

Elie Matar1, Claudia Lazcano-Ocampo2, C Padmakumar3

  • 1Central Clinical School, Faculty of Medicine and Health, University of Sydney, New South Wales 2050, Australia; Department of Neurology, Royal Prince Alfred Hospital, Camperdown, New South Wales 2050, Australia; Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Sydney Medical School, Sydney, New South Wales, Australia.

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Summary

Sleep and circadian rhythm issues are common in Parkinson's disease (PD), especially in older adults. This review focuses on non-drug treatments for sleep disorders in aging individuals with PD.

Keywords:
Excessive daytime sleepinessInsomniaParkinson’s diseaseRapid eye movement sleep behavior disorderRestless legs syndromeSleep

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Area of Science:

  • Neurology
  • Sleep Medicine
  • Geriatrics

Background:

  • Sleep and circadian rhythm disturbances are frequent in Parkinson's disease (PD).
  • Aging exacerbates sleep issues due to physiological changes, comorbidities, and polypharmacy.
  • Neurodegenerative processes and neurotransmitter imbalances in PD significantly impact sleep.

Purpose of the Study:

  • To review the pathophysiology of sleep and circadian dysfunction in aging and PD.
  • To discuss key sleep disorders in older adults with PD, including epidemiology, assessment, and management.
  • To emphasize non-pharmacological interventions as primary treatments for this population.

Main Methods:

  • Literature review focusing on sleep disturbances in aging and Parkinson's disease.
  • Analysis of pathophysiological mechanisms, including neurodegeneration and neurotransmitter dysregulation.
  • Synthesis of epidemiological data, assessment strategies, and treatment options for sleep disorders.

Main Results:

  • Sleep and circadian disruptions are complex in older adults with PD.
  • Neurodegenerative changes and altered neurotransmission are central to sleep dysfunction.
  • Non-pharmacological interventions are crucial due to medication sensitivity in older adults.

Conclusions:

  • Effective management of sleep disorders in older adults with PD requires a tailored approach.
  • Non-pharmacological therapies (CBT-I, light therapy, exercise, environmental changes) are recommended first-line treatments.
  • Further research into the specific mechanisms and optimized interventions for this demographic is warranted.