Sleep duration regularity, but not sleep duration, is associated with microvascular function in college students-V44I2 Sleep duration regularity, but not sleep duration, is associated with microvascular function in college students-V44I2 Download Dynamics of sleep, sedentary behavior, and moderate-to-vigorous physical activity on school versus nonschool days-V44I2 Small sleepers, big data: leveraging big data to explore sleep-disordered breathing in infants and young children-V44I2