Fig. 4From: Patients with cluster headache show signs of insomnia and sleep related stress: results from an actigraphy and self-assessed sleep studyReported bedtime in cluster headache patients and controls. Self-reported bedtime plotted as % of total number of nights separated in two categories: weekdays and weekends. 100% represents 365 weekdays in controls, 348 weekdays in cluster headache (CH) patients and 145 weekend days in both controls and CH patientsBack to article page