Fig. 1From: Patients with cluster headache show signs of insomnia and sleep related stress: results from an actigraphy and self-assessed sleep studyActigraphy sleep analysis in cluster headache patients and controls. CH: Cluster Headache. Top left panel: Time spent in bed, p-value=0.03, Top right panel: Sleep time, p-value=0.3, Bottom left panel: Sleep latency, p-value <0.001, Bottom right panel: Sleep efficiency, p-value=0.2. * p-value<0.05, ** p-value significant after testing for multiple comparisons, *** p-value<0.001Back to article page