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Does Parkinson's disease affect sleep quality?
Hussein A Hammadi1, Woruod Ahmed Hameed1, Mohammed A Fakhri1
1Al-Kindy College of Medicine, University of Baghdad, Baghdad, Iraq.
Irish Journal of Medical Science
|April 16, 2024
Summary
Parkinson's disease patients experience significantly poorer sleep quality and increased daytime dysfunction compared to healthy individuals. Age and sex did not influence sleep quality in this patient group.
Area of Science:
- Neurology
- Sleep Medicine
- Neurodegenerative Diseases
Background:
- Parkinson's disease (PD) is a common neurodegenerative disorder.
- PD is associated with motor and non-motor symptoms, notably sleep disturbances.
- Sleep issues in PD disproportionately impact patient quality of life.
Purpose of the Study:
- To investigate sleep quality in individuals with Parkinson's disease.
- To assess the severity of sleep disturbances in PD patients.
- To evaluate the impact of sleep disturbances on daytime function in PD.
Main Methods:
- A case-control study involving 44 PD patients and 80 healthy controls.
- Participants underwent medical history review and physical examination.
- The Pittsburgh Sleep Quality Index (PSQI) questionnaire assessed sleep quality; statistical analyses included t tests and correlation.
Main Results:
- PD patients exhibited significantly higher global PSQI scores (11.55 ± 4.41) versus controls (5.73 ± 3.22).
- Sleep onset latency was markedly longer in PD patients (75.57 min) compared to controls (22.81 min).
- Daytime dysfunction affected 86.4% of PD patients, versus 61.25% of controls.
Conclusions:
- Parkinson's disease patients demonstrate substantially poorer sleep quality compared to controls.
- Sleep disturbances in PD do not appear to be significantly influenced by age or sex.
- High rates of daytime dysfunction are prevalent among individuals with Parkinson's disease.
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