A new study has revealed that irregular sleep/wake patterns were related to reduced physical activity increased daytime sleep and sleepiness and reduced light exposure. The study by Duke Health and the Duke Clinical Research Institute also shows significant relationships between sleep irregularity and indices of cardiometabolic risk including obesity and higher levels of fasting blood glucose. The shocking findings of the study also reveal that sleep irregularity was associated with higher projected risk of developing atherosclerotic cardiovascular disease over the next decade and individuals with hypertension and/or metabolic disease displayed higher sleep irregularity than those without. Greater sleep irregularity was