Abstract
BackgroundProbable migraine (PM) is a subtype of migraine that is prevalent in the general population. Previous studies have shown that poor sleep quality is common among migraineurs and is associated with an exacerbation of migraine symptoms. However, information on the prevalence and clinical implication of poor sleep quality among individuals with PM is scarce. Thus, the aim of this study was to assess the prevalence and clinical impact of poor sleep quality in individuals with PM in comparison with those with migraine.MethodsTwo-stage cluster random sampling was used to perform the survey for sleep and headache in Korean general population. Participants with Pittsburgh Sleep Quality Index > 5 were considered as having poor sleep quality.ResultsOf 2695 participants, 379 (14.1%) had PM and 715 (26.5%) had poor sleep quality. Prevalence of poor sleep quality was 35.4% in the PM group, which was lower than that in the migraine group (47.6%, p = 0.011), but higher than that in the non-headache group (21.4%, p < 0.001). The PM participants with poor sleep quality showed increased headache frequency (median [interquartile range]: 2.0 [0.3–4.0] vs. 1.0 [0.2–2.0]; p = 0.001) and headache intensity (visual analogue scale, 6.0 [4.0–7.0] vs. 5.0 [3.5–6.0]; p = 0.003) compared to PM participants who had no poor sleep quality.ConclusionsPoor sleep quality was prevalent among participants with PM. It was associated with an exacerbation of PM symptoms. Our findings suggest that proper evaluation and treatment for poor sleep quality are needed in the management of PM.
Highlights
Probable migraine (PM) is a subtype of migraine that is prevalent in the general population
Prevalence of migraine and PM Of 2695 subjects included in our study, 1273 (47.2%) had at least one headache over the past year, including 143 (5.3%) migraineurs and 379 (14.1%) who had PM
Prevalence of poor sleep quality and comparison of Pittsburgh Sleep Quality Index (PSQI) score according to headache diagnosis The prevalence of poor sleep quality was significantly higher in participants with PM (35.4%) than that in participants with non-headache (21.0%, p < 0.001), but lower than that in participants with migraine (47.6%, p = 0.011)
Summary
Probable migraine (PM) is a subtype of migraine that is prevalent in the general population. Previous studies have shown that poor sleep quality is common among migraineurs and is associated with an exacerbation of migraine symptoms. Probable migraine affects approximately 5–10% of the general population It causes significant amount of disability owing to its symptoms such as migraine [2,3,4]. Previous studies have demonstrated that patients with PM have relatively milder headache symptoms compared to individuals with migraine [3, 5], many patients with PM experience poor quality of life related to health with considerable disability [4]. Excessive daytime sleepiness is more prevalent among migraineurs It is associated with worsening migraine symptoms [7]. Restless legs syndrome is significantly associated with migraine [10]
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