A case-control study on excessive daytime sleepiness in chronic migraine

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Background: Excessive daytime sleepiness is a major clinical and health concern that can have varied and sometimes harmful consequences. Findings from uncontrolled studies suggest a high prevalence in patients with chronic migraine. Methods: In a case-control study, we compared frequency data for excessive daytime sleepiness in 100 patients with chronic migraine and 100 healthy controls paired for sex and age, and assessed risk factors including lifestyle, sleep quality, anxiety, depression, concomitant disease and medications. Results: The frequency of excessive daytime sleepiness was higher in migraineurs (especially in those with medication overuse) than in controls (20% versus 6%; odds ratio 3.92, 95% CI 1.5-10.22), but was lower than previously reported and correlated with poor quality sleep and anxiolytic and antidepressant use. Conclusions: Again confirming that disability in chronic migraine is multifactorial in origin, excessive daytime sleepiness, especially in migraineurs who overuse medications, adds to the multiple factors known to impair social and working function. Patients with chronic migraine might benefit from diagnostic interviews focussing also on sleep problems and from targeted psychoactive drug prescribing.

Original languageEnglish
Pages (from-to)278-281
Number of pages4
JournalSleep Medicine
Issue number3
Publication statusPublished - Mar 2013


  • Anxiety
  • Chronic migraine
  • Depression
  • Disability
  • Excessive daytime sleepiness
  • Sleep

ASJC Scopus subject areas

  • Medicine(all)


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