Brant P Hasler, PhD

Associate Professor of Psychiatry, Clinical and Translational Science, and Psychology

Areas of Expertise

  • Sleep & Circadian Health
  • Mood Disorders
  • Substance Use Disorders
Brant P Hasler, PhD

Expertise & Interests

Research Interests

Sleep and circadian rhythms; Affective neuroscience; Mood and substance use disorders

Clinical Interests

Behavioral sleep medicine; Chronotherapeutics

Education Interests

Research mentorship; Supervision in behavioral sleep medicine

Selected Publications

  1. Hasler BP, Oryshkewych N, Wallace ML, Clark DB, Siegle GJ, Buysse DJ. Circadian phase in high school students: Weekday-weekend shifts and relationships to other sleep/circadian characteristics. SLEEP, 48, zsaf031, 2025. PMCID: PMC11985389
  2. Hasler BP, Schulz CT, Pedersen SL. Sleep-related risk for alcohol use and related problems in adolescents and young adults. Alcohol Research: Current Reviews, 44(1), 2024. PMCID: PMC10948113
  3. Hasler BP, Wallace ML, Graves JL, Molina BSG, Pedersen SL. Circadian preference is associated with multiple domains of trait and state level impulsivity. Chronobiology International, 39, 792-804, 2022. PMCID: PMC9117436
  4. Hasler BP, Soehner AM, Wallace ML, Logan RW, Ngari W, Forbes EE, Buysse DJ, Clark DB. Experimentally imposed circadian misalignment alters the neural response to monetary rewards and response inhibition in healthy adolescents. Psychol Med. 2021 Mar 17:1-9. doi: 10.1017/S0033291721000787. Epub ahead of print. PMID: 33729109; PMCID: PMC8935965.
  5. Hasler BP, Graves JL, Wallace ML, Claudatos S, Franzen PL, Nooner KB, Brown SA, Tapert SF, Baker, FC, Clark DB. Self-reported sleep and circadian characteristics predict alcohol and cannabis use: A longitudinal analysis of the National Consortium on Alcohol and Neurodevelopment in Adolescence Study. Alcoholism: Clinical and Experimental Research, 46, 848-860, 2022. PMCID: PMC9179040. DOI:10.1111/acer.14808
  6. Wescott DL, Hasler BP. Targeting Circadian Factors in Cognitive-Behavioral Therapy for Insomnia. Chapter in edited volume Cognitive Behavioral Therapy for Insomnia in the Context of Comorbid Mental Health Conditions, Goldstein AN, Manber R (Eds.), American Psychiatric Association Publishing, 2025.
  7. Evans MA, Hasler BP. Chapter 3 CBT-I for patients with phase disorders or insomnia with circadian misalignment. In Cognitive Behavior Therapy for Insomnia. Cuddihy L, Garland S, Grander M, Nowakoski S (Eds.), San Diego, CA, Academic Press, 2021, p. 63-95.

Education & Credentials

Education & Training

Education
PhD, Clinical Psychology, University of Arizona, School of Mind, Brain and Behavior
Internship
Clinical Psychology, Western Psychiatric Institute and Clinic of UPMC
Postdoctoral
Translational Research Training in Sleep Medicine, University of Pittsburgh

Professional Affiliations

  • Member, Sleep Research Society
  • Member, Association for Psychological Science
  • Member, Research Society on Alcoholism

Selected Honors & Awards

  • Mentor-Mentee Award, Sleep Research Society
  • Philip Troen, MD Excellence in Medical Student Research Mentoring Award, University of Pittsburgh School of Medicine