Greater social jetlag predicts poorer NIH Toolbox crystallized cognitive and academic performance in the Adolescent Brain Cognitive Development (ABCD) study

Data from 6,890 adolescents indicates that later chronotype and greater social jetlag are associated with poorer cognitive and academic performance.

• Later chronotype is linked to increased daytime sleepiness and insufficient sleep.
• Greater social jetlag is correlated with lower self-reported academic grades.
• Both later chronotype and greater social jetlag predicted poorer cognitive performance measures.
• The observed effects are small, suggesting a nuanced relationship.
• Aligning school schedules with students' optimal sleep-wake times may enhance academic performance.

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