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Sleep disorders in multiple sclerosis and their relationship to fatigue
Christian Veauthier1, Friedemann Paul2
1Centre Hospitalier de Belfort-Montbéliard, Department of Neurology, 2, rue du Docteur Flamand, 25209 Montbéliard, France.
Sleep Medicine
|December 24, 2013
Summary
Multiple sclerosis (MS) fatigue is often linked to sleep disorders (SD). Treating underlying sleep issues, like restless legs syndrome (RLS), can improve MS fatigue.
Area of Science:
- Neurology
- Sleep Medicine
Background:
- Multiple sclerosis (MS)-related fatigue presents a significant clinical challenge due to unknown mechanisms and lack of proven therapies.
- Existing research suggests a higher prevalence of sleep disorders (SD) in MS patients, but robust data is limited.
Purpose of the Study:
- To review the relationship between MS-related fatigue and various sleep disorders.
- To highlight the impact of specific sleep disorders, such as restless legs syndrome (RLS) and nocturia, on MS fatigue.
Main Methods:
- Literature review focusing on studies investigating MS-related fatigue and sleep disorders.
- Analysis of prevalence data for specific sleep disorders in MS populations.
- Consideration of diagnostic challenges and therapeutic implications.
Main Results:
- Restless legs syndrome (RLS) appears significantly more prevalent in MS patients, particularly those with severe disability, with an estimated four-fold increase compared to controls.
- Nocturia is identified as another potential contributor to MS-related fatigue.
- Treatment of underlying sleep disorders has demonstrated improvements in MS-related fatigue.
Conclusions:
- Sleep disorders are a relevant factor and potential confounder in MS-related fatigue research.
- Further investigation into SD in MS fatigue studies is warranted.
- Addressing sleep disturbances may offer a viable strategy for managing MS fatigue.
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