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. 2016 Dec;17(1):62.
doi: 10.1186/s10194-016-0655-4. Epub 2016 Jul 1.

Excessive daytime sleepiness is associated with an exacerbation of migraine: A population-based study

Jiyoung Kim  1 , Soo-Jin Cho  2 , Won-Joo Kim  3 , Kwang Ik Yang  4 , Chang-Ho Yun  5 , Min Kyung Chu  6
Affiliations

Excessive daytime sleepiness is associated with an exacerbation of migraine: A population-based study

Jiyoung Kim et al. J Headache Pain. 2016 Dec.

Abstract

Background: Previous studies have shown that migraine and sleep disturbances are closely associated. Excessive daytime sleepiness (EDS) is a common symptom of various types of sleep disturbance. Findings from clinic-based studies suggest that a high percentage of migraineurs experience EDS. However, the prevalence and clinical impact of EDS among migraineurs at the population level have rarely been reported. The objective of this study was to investigate the prevalence and impact of EDS among migraineurs using a population-based sample in Korea.

Methods: We selected a stratified random sample of Koreans aged 19 to 69 years and evaluated them using a semi-structured interview designed to identify EDS, headache type, and the clinical characteristics of migraine. If the score on the Epworth Sleepiness Scale (ESS) was more than or equal to 11, the participant was classified as having EDS.

Results: Of the 2,695 participants that completed the interview, 143 (5.3 %) and 313 (11.6 %) were classified as having migraine and EDS, respectively. The prevalence of EDS was significantly higher in participants with migraine (19.6 %) and non-migraine headache (13.4 %) compared to non-headache controls (9.4 %). Migraineurs with EDS had higher scores on the Visual Analogue Scale (VAS) for headache intensity (6.9 ± 1.8 vs. 6.0 ± 1.9, p = 0.014) and Headache Impact Test-6 (59.8 ± 10.2 vs. 52.5 ± 8.2, p < 0.001) compared to migraineurs without EDS.

Conclusions: Approximately 20 % of migraineurs had EDS in this population-based sample. Excessive daytime sleepiness was associated with an exacerbation of some migraine symptoms.

Keywords: Epidemiology; Excessive daytime sleepiness; Headache; Migraine; Sleep; Sleepiness.

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Figures

Fig. 1
Fig. 1
Flow chart depicting participation in the Korean Headache-Sleep Study
Fig. 2
Fig. 2
Comparison of the prevalence of EDS among participants *p < 0.05
See this image and copyright information in PMC

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