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Sleep in multiple sclerosis and neuromyelitis optica spectrum disorder—the SEMN study

  • Neurology • Original Article
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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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Authors and Affiliations

Authors

Contributions

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).

Corresponding author

Correspondence to Carlos Mauricio Oliveira de Almeida.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (name of institute/committee) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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The authors declare no competing interest.

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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

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