faculty photo

Philip Gehrman, Ph.D., CBSM, FAASM

Professor of Clinical Psychology in Psychiatry at the Hospital of the University of Pennsylvania
Department: Psychiatry

Contact information
Department of Psychiatry
University of Pennsylvania
3535 Market Street, Suite 670
Philadelphia, PA 19104
Office: (215) 746-3578
B.A. (Biological Basis of Behavior)
University of Pennsylvania, 1994.
M.A. (Psychology)
San Diego State University, 1998.
Ph.D. (Clinical Psychology - Joint Program)
San Diego State University / University of California, San Diego, 2003.
Post-Graduate Training
Clinical Psychology Internship, Durham Veterans Affairs Medical Center, 2002-2003.
Postdoctoral Fellowship, Center for Sleep and Respiratory Neurobiology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, 2003-2004.
Permanent link

Description of Research Expertise

Dr. Gehrman's research is focused on insomnia, and other sleep disorders, in the context of mental health conditions. He uses a variety of research approaches to understand how sleep and mental health are intertwined including laboratory and ambulatory sleep assessment, genetics and other omics approaches, and neuroimaging. He also conducts treatment research on non-pharmacologic interventions for sleep disorders.

Description of Clinical Expertise

Dr. Gehrman is a clinical psychologist who specializes in Behavioral Sleep Medicine. He uses cognitive behavioral and circadian rhythm interventions to treat patients with sleep disorders.

Selected Publications

Granberg RE, Heyer A, Gehrman PR, Gunter PW, Hoff NA, Guth A, Kayser MS, Kuna S, Frasso R: Patient and Provider Experiences with CBT-I Administered In-Person or via Telemedicine: A Randomized Non-Inferiority Trial. Cogent Psychology 9, 2022.

Larsen M, He F, Imamura Y, Berg A, Vgontzas A, Liao D, Bixler E, Gehrman P, Fernandez-Mendoza J: Association between objective sleep duration and DNA methylation in adolescents. Sleep 44, 2021.

Boland EM, Rao H, Dinges DF, Smith RV, Goel N, Detre JA, Basner M, Sheline YI, Thase ME & Gehrman PR: Meta-analysis of the antidepressant effects of acute sleep deprivation. Journal of Clinical Psychiatry 78(8): e1020-e1034, Sept 2017.

Mazzotti DR, Jones SE, van Hees V, Pack AI, Frayling TM, Weedon MN, Gehrman PR, Wood PR: Genome-wide association analysis of accerlometer-derived traits reveals novel genetic loci associated with rest-activity patterns in the UK Biobank. Sleep 41 ((Suppl)), 2018.

Colvonen PJ, Straus L, Acheson D, Gehrman P: A review of the relationship between emotional learning and memory, sleep, and PTSD. Current Psychiatry Reports 21(1): 2, Jan 2019.

Jones SE, Lane JM, Wood AR, van Hees VT, Tyrrell J, Beaumont RN, Jefferies A, Dashti HS, Hillsdon M, Ruth KS, Tuke MA, Yaghootkar H, Sharp S, Jie Y, Thompson WD, Harrison JW, Dawes A, Byrne EM, Tiemeier H, Allebrandt KV, Bowden J, Ray DW, Freathy RM, Murray A, Mazzotti DR, Gehrman PR, the 23andMe Research Team, Lawlor D, Frayling TM, Rutter MK, Hinds D, Saxena R, Weedon MN: Genome-wide association analyses of chronotype in 697,828 individuals provides new insights into circadian rhythms in humans and links to disease. Nature Communications 10(1): 343, Jan 2019.

Gehrman P, Anafi R: Clinical Case Report: Treatment of a Patient with a Circadian Sleep Wake Disorder Using a Combination of Melatonin and Metoprolol. Journal of Clinical Sleep Medicine 2021.

Mithani S, Yun S, Leete JJ, Guedes VA, Fink AM, Pattinson CL, Kim H, Weljie A, Gill JM, Gehrman P: Whole blood transcriptome analysis using RNA sequencing in individuals with insomnia disorder and good sleepers: a pilot study. Sleep Medicine 80: 1-8, April 2021.

Barclay NL, Kocevska D, Bramer WM, Van Someren EJW, Gehrman PR: The heritability of insomnia: a meta-analysis of twin studies. Genes, Brain and Behavior 20(4): e12717, Apr 2021.

Polyné NC, Miller KE, Brownlow J, Gehrman PR: Insomnia: sex differences and age of onset in active duty Army soldiers. Sleep Health 7(4): 504-507, 2021.

back to top
Last updated: 04/21/2023
The Trustees of the University of Pennsylvania