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Sleep and fatigue in multiple sclerosis
B R Stanton1, F Barnes, E Silber
1Institute of Psychiatry, King's College London, London, SE5 8AF, UK.
Multiple Sclerosis (Houndmills, Basingstoke, England)
|August 12, 2006
Summary
Sleep disturbances are common in multiple sclerosis (MS) and significantly linked to daytime fatigue. Addressing sleep issues like insomnia and nocturia may help manage MS-related fatigue and disability.
Area of Science:
- Neurology
- Sleep Medicine
- Clinical Research
Background:
- Fatigue is a primary disabling symptom in multiple sclerosis (MS).
- The underlying causes of MS-related fatigue remain incompletely understood.
- Sleep disturbances are frequently reported but their specific patterns and impact on fatigue are not well-characterized.
Purpose of the Study:
- To determine the prevalence and patterns of sleep disturbances in MS outpatients.
- To investigate the association between various sleep problems and fatigue severity.
- To explore potential contributing factors to sleep disturbances in MS.
Main Methods:
- A cohort of 60 outpatients with MS participated.
- Participants completed the Fatigue Severity Scale (FSS) and Epworth Sleepiness Scale.
- A 7-day sleep diary was used to record sleep patterns and disturbances.
Main Results:
- High rates of fatigue (64%) and excessive daytime sleepiness (32%) were observed.
- Frequent sleep disturbances included initial (42%), middle (53%), and terminal insomnia (58%).
- Middle insomnia showed a significant correlation with daytime fatigue, even after adjusting for disability.
Conclusions:
- Sleep disturbance is prevalent in MS patients and linked to significant fatigue.
- Common causes of insomnia include anxiety, pain, and nocturia.
- Targeting sleep disturbances and associated symptoms may be a crucial strategy for managing MS fatigue.