Over the last three decades, there has been tremendous growth in our understanding of adolescents' sleep-wake patterns, circadian timing, underlying bioregulatory processes, and environmental factors and constraints, as well as the consequences of insufficient sleep for adolescents' brains, bodies, and behavior. Despite these scientific advances, however, minimal progress has been made in increasing the number of adolescents who are regularly obtaining adequate sleep, with some evidence even suggesting a decline in adolescent sleep.
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