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Summary: This study investigates how sleep regularity moderates the association between ethnic/racial discrimination and academic grades among diverse adolescents. The study included a 14‐day, daily diary and actigraphy study of ninth‐grade adolescents in the United States (N = 265; mean [SD] age 15.26 [0.62] years, 41.51% Asian, 21.13% Black, 37.35% Latinx, 71.32% female) who completed measures of demographic information and ethnic/racial discrimination (Daily Life Experiences Racism and Bother subscale). Sleep data were collected for 14 consecutive days with wrist actigraphy, and sleep regularity was calculated using the Sleep Regularity Index (SRI). Academic grades were provided by the Department of Education. Discrimination frequency was associated with lower academic grades, and the SRI moderated this association. Compared to adolescents who had moderate and regular SRI profiles, adolescents with irregular SRI (i.e., lower sleep regularity) had stronger negative associations between discrimination and grades. On the other hand, for adolescents who had moderate to high sleep regularity, there was no significant association between discrimination and grades. This study underscores the importance of sleep regularity for adolescents' academic achievement. [ABSTRACT FROM AUTHOR]

A robust literature is developing around how the stress of discrimination is implicated in individual‐ and group‐level sleep disturbances, and how these disturbances contribute to the development of population‐level sleep disparities over time. Although discrimination can be based on many individual and intersecting biases, like gender, sexuality, socioeconomic status, and education, in this article, we focus on discrimination rooted in ethnicity and race because of the well‐founded documentation of disparities in sleep by race. Focusing primarily on adolescence and young adulthood, we integrate research linking ethnic and racial discrimination to sleep across a variety of methods and developmental time spans, ending with reflections on interventions. In so doing, we seek to advance research and encourage conversations that cross‐fertilize collaborations between those with interests in discrimination, sleep, and population‐level health equity. [ABSTRACT FROM AUTHOR]