Abstract
BackgroundInsomnia and migraine are closely related; insomnia aggravates migraine symptoms. This study was conducted to investigate the impact of migraine on the clinical presentation of insomnia symptoms.MethodsThe data of the Korean Headache-Sleep Study (KHSS) were used in the present study. The KHSS is a nation-wide cross-sectional population-based survey regarding headache and sleep in Korean adults aged 19 to 69 years. If a participant’s Insomnia Severity Index (ISI) score ≥ 10, she/he was classified as having insomnia. The clinical presentation of insomnia symptoms was assessed using total and subcomponent scores of the ISI.ResultsOf 2695 participants, 290 (10.8%) and 143 (5.3%) individuals were assigned as having insomnia and migraine, respectively. The proportions of migraine (12.8% vs. 4.4%, p < 0.001) and non-migraine headache (59.0% vs. 39.9%, p < 0.001) were higher among individuals with insomnia compared to those without insomnia. Among participants with insomnia, total ISI scores were not significantly different among participants with migraine, non-migraine, and non-headache [median and interquartile range: 13.0 (11.0–17.5) vs. 13.0 (11.0–17.5) vs. 12.0 (11.0–16.0), p = 0.245]. ISI scores for noticeability of sleep problems to others were significantly higher among participants with migraine [3.0 (2.0–4.0) vs. 2.0 (2.0–3.0), p = 0.011] and non-migraine headache [3.0 (2.0–4.0) vs. 2.0 (2.0–3.0), p = 0.001] compared to those without headache history. Other ISI subcomponent scores did not significantly differ between headache status groups.ConclusionsParticipants with insomnia had an increased risk of migraine and non-migraine headache compared to those without insomnia. Among participants with insomnia, overall insomnia severity was not significantly influenced by the headache status.
Highlights
Insomnia and migraine are closely related; insomnia aggravates migraine symptoms
Prevalence of migraine and non-migraine headache according to the presence of insomnia Among the 290 participants with insomnia, 37 (12.8%), 171 (59.0%), and 82 (28.3%) participants were classified as having migraine, non-migraine headache, and non-headache, respectively
The key findings of the present study were as follows: 1) The prevalence of migraine and non-migraine headache was significantly higher among participants with insomnia compared to those without insomnia; 2) Among participants with insomnia, the total Insomnia Severity Index (ISI) score was not significantly different among migraine, non-migraine headache, and non-headache groups and 3) Among participants with migraine, the prevalence of insomnia was Migraine without P
Summary
Insomnia and migraine are closely related; insomnia aggravates migraine symptoms. This study was conducted to investigate the impact of migraine on the clinical presentation of insomnia symptoms. Migraine is a common neurological disorder and affects 5–15% of the general population [1]. Owing to its disabling symptoms, migraineurs encounter disability and decreased quality of life [2]. Even in periods without migraine symptoms, migraineurs may have a fear of developing a headache because migraine attacks often cause a failure to perform social obligations at school, the workplace, or at home [3]. Individuals with migraine or headache with sleep disturbances often encounter more severe symptoms and decrease quality of life [5, 7, 8]. Insomnia is another disorder with high prevalence, affecting 10–30% of the general population [9]. Insomnia is an important public health problem like migraine
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