Fig. 1From: Investigating the relationship between sleep and migraine in a global sample: a Bayesian cross-sectional approachDemographics of users in the Migraine Buddy dataset. A The population of users mirrors that seen in epidemiological studies with a much higher prevalence of migraine in females, with a peak around 30–40 years of age. B Choropleth map showing the distribution and number of users across the world, with most users based in the USA, Canada, Japan, Germany, UK and France. Countries in grey are those without any users in the current datasetBack to article page