Abstract
Purpose
This study aimed to (1) evaluate in patients with multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD) the presence of sleep disorders such as hypersomnia, fatigue, risk of apnea, and the presence of restless legs syndrome/Willis-Ekbom disease (RLS/WED); (2) evaluate quality of sleep in patients with MS and NMOSD; and (3) correlate them with clinical and imaging data.
Methods
The study was cross-sectional and was carried out in the sector of demyelinating diseases of the neurology service of HUGV-UFAM, Manaus, Brazil, from January 2017 to December 2020.
Results
Our sample consisted of 60 patients, 41 with MS and 19 with NMOSD. We found that patients with MS and NMOSD have poor sleep quality (65%) and hypersomnia (53% in MS; 47% in NMOSD), but low risk of apnea by STOP-BANG. The frequency of RLS/WE found was 14% in MS, and 5% in NMOSD. No correlation existed between sleep quality, number of relapses, and sleep quality for the Expanded Disability Status Scale (EDSS), i.e., fatigue/illness duration.
Conclusion
Patients with MS and NMOSD have poor sleep quality, excessive sleepiness, and are at low risk for OSA, yet the frequency of RLS/WED is like that of the general population. There does not seem to be a significant difference between these sleep disorders in these demyelinating diseases of the CNS.
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Abbreviations
- CNS:
-
Central nervous system
- EDSS:
-
Expanded Disability Status Scale
- OSA:
-
Obstructive sleep apnea
- MS:
-
Multiple sclerosis
- NMOSD:
-
Neuromyelitis optica spectrum disorder
- RLS/WED:
-
Restless legs syndrome/Willis-Ekbom disease
- PSG:
-
Polysomnography
- UFAM:
-
Universidade Federal do Amazonas
- UEA:
-
Universidade Estadual do Amazonas
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All authors contributed to the study: conceptualization and design (Sousa, NAC); methodology (Sousa, NAC; De Almeida, CMO); execution (Sousa, NAC; Takano SAF; Souza, SPL; Rabelo, RMP); formal analysis and investigation (Sousa, NAC; Takano SAF; Souza, SPL; Rabelo, RMP); writing (Sousa, NAC; De Almeida, CMO; Takano SAF); writing—review and edition (De Almeida, CMO).
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Sousa, N.A.C., de Almeida, C.M.O., Takano, S.A.F. et al. Sleep in multiple sclerosis and neuromyelitis optica spectrum disorder—the SEMN study. Sleep Breath 27, 2453–2458 (2023). https://doi.org/10.1007/s11325-023-02824-1
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DOI: https://doi.org/10.1007/s11325-023-02824-1