What Keeps Night Owls Well During the Week? Sleep Onset Consistency as a Moderator Between Morningness–Eveningness and Adolescent Development

Objectives A preference for eveningness – one's perception of being most alert later in the day – is associated with negative developmental outcomes in adolescence. Sleep onset consistency is protective against such outcomes. Toward a more nuanced understanding of relations between sleep-wake processes and adolescent development, we examined weeknight sleep onset consistency as a moderator of relations between eveningness and multiple indicators of development.