Rhythms and Reward: How do Sleep & Circadian Rhythms Contribute to Risk for Substance Use in Adolescents/Young Adults

Brant Hasler, Ph.D., DBSM

University of Pittsburgh School of Medicine

This presentation will briefly review longitudinal evidence for sleep/circadian-related risk for substance use, define a key sleep/circadian construct – circadian misalignment – and describe current evidence for its link to substance use via reward pathways, and report relevant results from a recently-concluded R01 examining circadian misalignment, reward function, and alcohol use in high school students. 

Friday, February 20, 2026 | 12:00 p.m. - 1:00 p.m. EST

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