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Insomnia in probable migraine: a population-based study.
Jiyoung Kim1, Soo-Jin Cho2, Won-Joo Kim3
1Department of Neurology, Bio Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Republic of Korea.
The Journal of Headache and Pain
|October 7, 2016
Summary
This study found that insomnia prevalence is similar in probable migraine (PM) and migraine patients, but significantly higher in PM compared to non-headache controls. Anxiety, depression, and headache characteristics impact insomnia severity in PM.
Area of Science:
- Neurology
- Sleep Medicine
- Epidemiology
Background:
- Insomnia is frequently reported in migraine patients.
- The association between insomnia and probable migraine (PM) is less understood.
- PM meets all but one diagnostic criterion for migraine.
Purpose of the Study:
- To investigate the association between insomnia and PM.
- To compare insomnia prevalence in PM versus migraine patients.
- To identify factors associated with insomnia severity in PM.
Main Methods:
- Utilized data from the Korean Headache-Sleep Study, a nationwide survey.
- Included 2695 Korean adults aged 19-69 years.
- Diagnosed insomnia using the Insomnia Severity Index (ISI score ≥15.5).
Main Results:
- Prevalence: Migraine (5.3%), PM (14.1%), Insomnia (3.6%).
- Insomnia prevalence was similar between PM (8.2%) and migraine (9.1%) groups (p=0.860).
- Insomnia was significantly more prevalent in PM (8.2%) than non-headache controls (1.8%) (p<0.001).
- Higher ISI scores in migraine vs. PM (6.8±5.8 vs. 5.5±5.8, p=0.012).
- Anxiety, depression, headache frequency, and intensity correlated with ISI scores in PM.
Conclusions:
- Insomnia prevalence does not significantly differ between probable migraine and migraine.
- Insomnia is significantly more common in probable migraine than in the general population.
- Anxiety, depression, headache frequency, and intensity are associated with insomnia severity in probable migraine patients.
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