Figure 2From: Transitions into and out of daylight saving time compromise sleep and the rest-activity cyclesChanges in sleep efficiency (SE) and movement and fragmentation index (FI) in MES-subgroups/Spring. Before = mean for four days before transition, After 1,2,3 and 4 = means for the days after transition. Eve = MES-subgroup evening type, Morn = MES-subgroup morning type.Back to article page