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Ariel A. Williamson, Ph.D.

Home  /  Sleep Experts  /  Ariel A. Williamson, Ph.D.

Ariel A. Williamson, Ph.D.

Postdoctoral Fellow
Perelman School of Medicine, University of Pennsylvania
Center for Sleep and Circadian Neurobiology
The Children’s Hospital of Philadelphia
Sleep Center

Philadelphia, PA USA

Dr. Ariel Williamson is a postdoctoral fellow in behavioral sleep medicine at the University of Pennsylvania and at The Children’s Hospital of Philadelphia. She earned her doctorate in Clinical Psychology from the University of Delaware, and also holds a master’s degree in child counseling from Northwestern University. Dr. Williamson has a background in providing school and community evidence-based interventions for children and their families struggling with disruptive behavior disorders, parenting issues, sleep problems, and other health concerns. Her research is focused on the identification and treatment of pediatric sleep disorders and related behavioral concerns among underserved and culturally diverse youth in community health settings, such as pediatric primary care.


Sleep Advice


Mindell, J. A., Sedmak, R., Boyle, J. T., Butler, R., & Williamson, A. A. (in press). Sleep Well! A pilot study of an education campaign to improve sleep of socioeconomically disadvantaged children. Journal of Clinical Sleep Medicine.

Rubens, S., Patrick, K. E., Williamson, A. A., Moore, M., & Mindell, J. A. (in press). Individual and socio-demographic factors related to presenting problem and diagnostic impressions at a pediatric sleep clinic. Sleep Medicine. doi: 10.1016/j.sleep.2016.06.017

Williamson, A. A., Harrison, R. R., Reader, S., K, & Tynan, D.W. (in press). Parent-child groups for externalizing disorders: Outcomes, socio-demographic moderators, attendance, and attrition in a real-world setting. Evidence-Based Practice in Child and Adolescent Mental Health.

Williamson, A. A., Raglin-Bignall, W. J., Swift, L. E., Hung, A. H., Robins, P. M., Power, T. J. & Mautone, J. A. (in press). Ethical and Legal Issues in Integrated Care Settings: Case Examples from Pediatric Primary Care. Clinical Practice in Pediatric Psychology.

Williamson, A. A., Patrick, K. E., Rubens, S. L., Mindell, J. A., & Moore M. (2016). Pediatric sleep disorders in an outpatient sleep clinic: Clinical needs of children with neurodevelopmental conditions. Clinical Practice in Pediatric Psychology, 4(2),188-199. doi:10.1037/cpp0000135.

Ahn, Y., Williamson, A. A., Seo, H-J., Sadeh, A., & Mindell, J. A. (2016). Sleep patterns among Korean infants and toddlers: A global comparison. Journal of Korean Medical Science, 31, 261-269. doi: 10.3346/jkms.2016.31.2.261.

Blechner, M. S., & Williamson, A. A. (2016). Behavioral consequences of obstructive sleep apnea syndrome (OSAS). In DelRosso, L., & Cielo, C. (Eds.) special issue on Pediatric OSAS, Current Problems in Pediatric and Adolescent Health Care, 46, 19-26. doi: 10.1016/j.cppeds.2015.10.007.

Meltzer, L. J., Thomas, J. H., & Williamson, A. A. (2016). Sleep Disturbances. In R. J. R. Levesque (Ed.), Encyclopedia of Adolescence (pp.1-12). New York: Springer. doi: 10.1007/978-3-319-32132-5_98-2

Williamson, A. A., Guerra, N. G., & Shadowen, N. L. (2016). From school bullying to dating violence: Coercive developmental processes and implications for intervention. In T. Dishion & J. Snyder (Eds.) The Oxford Handbook on Coercive Dynamics in Close Relationships. doi: 10.1093/oxfordhb/9780199324552.013.22

Grassetti, S. N., Herres, J., Williamson, A. A., Yarger, H. A., Layne, C. M., & Kobak, R. R. (2015). Narrative focus predicts symptom change trajectories in group treatment for traumatized and bereaved adolescents. Journal of Clinical Child & Adolescent Psychology, 44, 933-941. doi: 10.1080/15374416.2014.913249.

Lucas-Molina, B., Williamson, A. A., Pulido, R., & Pérez-Albéniz, A. (2015). Effects of teacher-student relationships on peer harassment: A multilevel study. Psychology in the Schools, 52, 298-315. doi:10.1002/pits.21822.

Williamson, A. A., Modecki, K. L., & Guerra, N. G. (2015). Social-emotional learning programs in high school. In J. A. Durlak, C. Domitrovich, R. P. Weissberg, & T. P. Gullotta (Eds.). Handbook of Social and Emotional Learning (SEL): Research and Practice (pp. 181-196). New York: Guildford Press.

Williamson, A. A., Moore, M., & DelRosso, L. (2015). A 4-year-old child with paroxysmal nocturnal events. In American Academy of Sleep Medicine 9Ed., Case Book of Sleep Medicine.

Williamson, A. A., Knox, L., Guerra, N. G., & Williams, K. R. (2014). A pilot randomized trial of community-based parent training for immigrant Latina mothers. American Journal of Community Psychology, 53, 47-59. doi: 10.1007/s10464-013-9612-4.

Williamson, A. A., Guerra, N. G., & Tynan, D. W. (2014). The role of health and mental health care providers in gun violence prevention. Clinical Practice in Pediatric Psychology, 2, 88-98. doi: 10.1037/cppp0000055

Lucas-Molina, B., Williamson, A. A., Pulido, R., & Calderón, S. (2014). Adaptation of the Participant Role Scale (PRS) in a Spanish youth sample: Measurement invariance across gender and relationship with sociometric status. Journal of Interpersonal Violence, 29, 2904-2930. doi: 10.1177/0886260514527822.

Castro-Olivo, S., Palardy, G., Albeg, L. A., & Williamson, A. A. (2014). Validation of the Coping with Acculturative Stress in American schools (CASAS) scale. Assessment for Effective Intervention, 40, 3-15. doi: 10.1177/1534508413500983

Williamson, A. A., Dierkhising, C. B., & Guerra, N. G. (2013). Brief report: Piloting the Positive Life Changes (PLC) program for at-risk adolescents. Journal of Adolescence, 36, 623-628. doi: 10.1016/j.adolescence.2013.03.004

Williamson, A. A., Guerra, N. G., & Lucas-Molina, B. L. (2013). What can high schools do to prevent cyber bullying? In R. Hanewald (Ed.), From Cyber Bullying to Cyber Safety: Issues and Approaches in Educational Contexts (pp. 225-243). New York, NY: Nova Science Publishers.

Guerra, N. G., Williamson, A. A., & Sadek, S. (2012). Youth perspectives on bullying in adolescence. The Prevention Researcher, 19, 14-16.

News & Research from Ariel Williamson