Publications by authors named "Katherine D Marczyk Organek"
Objectives: During adolescence, significant changes occur in sleep (eg, decreased sleep duration and increased sleep problems). To date, few studies have examined whether self-reported sleep duration differences exist between races/ethnicities in early adolescence (ages 11-14 years).
Methods: This study compared sexes and race/ethnicity groups on self-reported sleep duration in a large (n = 1543; 48.