Fig. 4From: Lingering impacts on sleep following the Daylight Savings Time transition in the Project Baseline Health StudyLine graphs representing TSP distributions before (blue) and after (orange) the DST transition in the cohort of study participants (N = 59). Average TSP was 7 h and 51 min before the DST transition (blue curve), and 7 h and 21 min after the transition (orange curve), indicating an average reduction of 29.6 min (Wilcoxon signed-rank test p = 0.03)Back to article page