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Sleep apnoea headache in the general population.
Håvard Anton Kristiansen1, Kari Jorunn Kværner, Harriet Akre
1Head and Neck Research Group, Akershus University Hospital, Norway.
Cephalalgia : an International Journal of Headache
|December 17, 2011
Summary
Morning headaches are significantly more common in individuals with obstructive sleep apnoea (OSA). This study found sleep apnoea headache prevalence lower in the general population than previously thought.
Area of Science:
- Neurology
- Sleep Medicine
- Epidemiology
Background:
- Sleep apnoea headache is a recognized condition, but its prevalence in the general population requires further investigation.
- Understanding the clinical characteristics associated with sleep apnoea headache is crucial for diagnosis and management.
Purpose of the Study:
- To determine the prevalence of sleep apnoea headache in the general population.
- To explore the clinical features of sleep apnoea headache.
- To investigate the association between obstructive sleep apnoea (OSA) and morning headaches.
Main Methods:
- A large-scale postal questionnaire distributed to 40,000 Norwegians identified individuals at high and low risk for sleep apnoea.
- Participants identified as high or low risk underwent polysomnography, clinical interviews, and physician examinations.
- The Berlin Questionnaire was used to assess sleep apnoea risk prior to polysomnography.
Main Results:
- Sleep apnoea headache was diagnosed in 11.8% of participants with obstructive sleep apnoea (OSA).
- Morning headaches were significantly more frequent in individuals with OSA (4.6% without OSA, p = 0.002).
- Adjusted odds ratio for OSA in participants with morning headache was 2.92 (1.31-6.51), indicating a significant association.
Conclusions:
- Morning headaches are significantly more prevalent in individuals with OSA compared to those without.
- The prevalence of sleep apnoea headache in the general population appears lower than previously reported in clinical settings.
- The study questions the direct relationship between hypoxia and morning headaches in the context of OSA.
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