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Sleep Disorders in Neurodegenerative Diseases with Dementia: A Comprehensive Review
Natalia Siwecka1,2, Michał Golberg3,4, Dominika Świerczewska1
1Department of Neurology, Medical University of Lodz, 22 Kopcinskiego Street, 90-153 Lodz, Poland.
Journal of Clinical Medicine
|October 16, 2025
Summary
Sleep disturbances worsen cognitive decline and mental health in dementia patients. Addressing sleep issues can improve quality of life and slow neurodegeneration progression.
Area of Science:
- Neurology and Psychiatry
- Neuroscience
- Gerontology
Background:
- Dementia affects over 55 million globally, increasing with aging populations.
- Neurodegenerative diseases (e.g., Alzheimer's, Parkinson's) are primary causes of dementia.
- Cognitive decline in dementia is often accompanied by sleep disorders and mental health issues.
Purpose of the Study:
- To review sleep disorders in major neurodegenerative diseases.
- To summarize treatment strategies for sleep disturbances.
- To discuss the clinical relevance of sleep-mental health interactions in dementia.
Main Methods:
- Literature review of current research on dementia, sleep disorders, and mental health.
- Analysis of the bidirectional relationship between sleep disruption and neuropsychiatric symptoms.
- Synthesis of findings to inform clinical management and future research.
Main Results:
- Sleep disturbances (insomnia, REM sleep behavior disorder, etc.) are prevalent in neurodegenerative diseases.
- A feedback loop exists where disrupted sleep exacerbates neuropsychiatric symptoms, and vice versa.
- These interactions contribute to disease progression and reduced quality of life.
Conclusions:
- Understanding the sleep-mental health connection in dementia is crucial for effective management.
- Multidisciplinary approaches are needed to address the complexities of neurodegeneration.
- Targeting sleep disturbances offers potential for improved symptom control and slower cognitive decline.
Keywords:
Alzheimer’s diseaseParkinson’s diseasecircadian rhythmcognitive declinedementiaintegrated careneurodegenerationneuroinflammationneuropsychiatrysleep disordersMore Related Videos
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