Dr. Tori Van Dyk

Associate Professor, Psychology

Contact Information

Email tvandyk@llu.edu
Phone 909-558-7412
Fax 909-558-0171

Department of Psychology
Loma Linda University, Central Building, Suite 119
11130 Anderson St., Loma Linda, CA  92350

Social Media

Twitter @tvandyk18

    Faculty Research Lab

    The Pediatric Health Behavior Lab

    The Pediatric Health Behavior Lab examines how aspects of mental and physical health like sleep, eating, and exercise interact in youth.

    Visit Lab Website
    sleeping baby

    Degrees and Certifications

    • PhD, Clinical Psychology - University of Nebraska-Lincoln, 2016
    • MA, Clinical Psychology - University of Nebraska-Lincoln, 2012
    • Behavioral Sleep Medicine Certification

    Areas of Specialization

    • Pediatric health psychology
    • Pediatric health behavior promotion and intervention
    • Sleep
    • Pediatric pain and headache/migraine
    • Child and adolescent mental health
    • Integrated behavioral health

    Current Research Projects

    Professional Memberships and Licenses

    • Licensed Clinical Psychologist, California, #30741
    • Sleep Research Society (SRS)
    • Society of Pediatric Psychology (APA Division 54)

    Recent Publications and Presentations

    Publications

    • Iwamoto, B. K., Decker, K. M., Byars, K. C., & Van Dyk, T. R. (2022). Impact of Exogenous Melatonin on Sleep and Daytime Functioning in Healthy, Typically Developing Adolescents. Current Sleep Medicine Reports, 1-12.
    • Ley, S. L., Kidwell, K. M., Van Dyk, T. R., Orkin, S., Odar Stough, C., Howarth, T., Goetz, Am. R., Xanthakos, S. A., Bramlage, K., Mouzake, M., Arce-Clashar, A. C., Zeller, M. H. (2022). Insight into the Pediatric Patient Experience with Nonalcoholic Fatty Liver Disease. Journal of Pediatric Gastroenterology & Nutrition.
    • Van Dyk, T. R., Krietsch, K., King, C., Byars, K. C. (2021).  Prevalence of somatic and pain complaints and associations with sleep disturbance in adolescents presenting to a behavioral sleep medicine clinic. Journal of Clinical Sleep Medicine. https://doi.org/10.5664/jcsm.9522.
    • DiFrancesco, M. W., Van Dyk, T. R., Altaye, M., Drummond, S. P., & Beebe, D. W. (2019). Network-based responses to the psychomotor vigilance task during lapses in adolescents after short and extended sleep. Scientific Reports, 9, 13913.
    • Durracio, K. M., Krietsch, K., Chardon, M. L., Van Dyk, T. R., & Beebe., D.W. (2019). Poor sleep and adolescent obesity risk: A narrative review of potential mechanisms. Adolescent Health, Medicine and Therapeutics, 10, 117-130.
    • Van Dyk, T.R., Zhang, N., Combs, A., Howarth, T., Whitacre, C., McAlister, S., & Beebe, D. (2019). Feasibility and impact on daytime sleepiness of an experimental protocol inducing variable sleep duration in adolescents. PLoS One, 14, e0218894.
    • Van Dyk, T.R., Becker, S. P., & Byars, K. C. (2019). Rates of mental health symptoms and associations with self-reported sleep quality and sleep hygiene in adolescents presenting for insomnia treatment. Journal of Clinical Sleep Medicine, 15, 1433-1442.
    • Van Dyk, T.R., Becker, S. P., & Byars, K. C. (2018). Psychopathology symptoms in preschool and school age youth presenting to insomnia evaluation: Prevalence and predictors of sleep disruption. Behavioral Sleep Medicine, DOI: 10.1080/15402002.2018.1518224.
    • Van Dyk, T. R., Krietsch, K., Saelens, B. E., Whitacre, C., McAlister, S., & Beebe, D. W. (2018). Inducing more sleep on school nights reduces sedentary behavior without affecting physical activity in short-sleeping adolescents. Sleep Medicine, 47, 7-10.

    Presentations

    • Iwamoto, B. K., Krantz, M. L., Neece, C. L., Nair, A., Rockwood, N. J., Gutierrez, H., Fenning, R. M., Van Dyk, T. R. (2022, April 7-9). Exploring the bidirectional relationships between child sleep, child behavior, and parenting stress in families of children with ASD [Poster presentation]. Society of Pediatric Psychology Annual Conference, Phoenix, Arizona.
    • Triplett, O.M., & Van Dyk, T.R. (2022 April). Sleep Duration and BMI Among a Student Sample: The Mediating Effects of Screen Time, Diet, and Physical Activity. Poster to be presented at the 2022 Society of Pediatric Psychology Annual Conference, Phoenix, AZ.
    • Morales, N., Kaur, N., Rawal. B. M., White, M., Van Dyk, T.R. (2022, April 7-9). The Effect of Physical Activity on the Relationship between Sleep and Pain in Adolescents. Poster to be presented at the Society of Pediatric Psychology Annual Conference, Phoenix, AZ.
    • Kaur, N., Morales, N., White, M., Van Dyk, T.R. (2022, April 7-9). Emotional Regulation as a Moderator of Insomnia Severity and Emotional Eating in Adolescents. Poster to be presented at the Society of Pediatric Psychology Annual Conference, Phoenix, AZ.
    • Mazzone, E., Rawal, B. M., Halabian, T., & Van Dyk, T.R. (2021, April 28-30). Sleep difficulties and parental communication as predictors of internalizing behavior in adolescents [Poster presentation]. 2021 Western Psychological Association Convention, virtual conference.
    • Rawal, B.M., Triplett, O.M., Van Dyk, T.R. (2021, April). The Impact of Health Behaviors and Screen Time on Pediatric Inattention. Poster to be presented at the 2021 Virtual Western Psychological Association Annual Conference.
    • White, M.L., Afzal, E., Van Dyk, T.R. (2021, April). “Do You Need Your Beauty Sleep?”: An exploration of the association of sleep difficulties with body dissatisfaction and emotional eating among adolescents. Poster presented at the 2021 Western Psychological Association (WPA) Conference (virtual).
    • Triplett, O.M., Feghali, P.T., Van Dyk, T.R. (2021, April). The Effect of Modifiable Health Behaviors on Pediatric Sleep Quality. Poster to be presented at the 2021 Virtual Society of Pediatric Psychology Annual Conference.
    • Krantz, M., Chan, N., Feghali, P., Sanner, C., Neece, C., & Van Dyk, T.R. (2021, April). Understanding Sleep Difficulties Among Children with Autism Spectrum Disorder from Underserved Populations: Practical Considerations for Clinicians. Poster accepted for the 2021 Society of Pediatric Psychology Annual Conference.
    • Ly, A. L., Napan, J. M., Wakabayashi, L. E. T., & Van Dyk, T. R. (2021, April). Exploring the use of smartphone-based sleep tracking apps among caregivers of children with sleep problems. Poster to be presented at the Virtual Society of Pediatric Psychology Annual Conference.
    • Rawal, B. M., Iwamoto, B. K., Feghali, P., Van Dyk, T. R. (2021, April 8-9) Depression and Anxiety as Mediators of the Sleep-Pain Relationship among an Ethnically Diverse Sample. Poster session presented at the Virtual Society of Pediatric Psychology Annual Conference.
    • Feghali, P. T., Iwamoto, B. K., Triplett, O. & Van Dyk, T. R. (2021, April 8-9). Emotion Regulation Mediates the Relationship Between Sleep and Behavior in Youth. Poster to be presented at the Society of Pediatric Psychology Annual Conference, Virtual.
    • Rawal, B., Chakos, A., Van Dyk, T. R., & Morton, K. (2020). Adverse childhood experiences predict opioid use with sleep quality as an effect modifier. Poster presented at the Loma Linda University Annual Postgraduate Convention, Loma Linda, CA.
    • Krantz, M. L., Feghali, P., & Van Dyk, T. R. (2020). Stress Predicts Externalizing Behaviors Through Emotion Regulation Among Youth in a Clinical Sample. Poster submitted for the American Psychological Association Annual Convention, Washington, DC.
    • Rawal, B. M., Morton, K., Van Dyk, T. R. (2020). Insomnia as a Transdiagnostic Factor in Chronic Illnesses Treated in Primary Care. Poster session presented at the Western Psychological Association, San Francisco, CA.
    • Rizk, M. M., Rawal, B. M., Vo, T. T., Halabian, T., Van Dyk, T. R. (2020). Prevalence of Physical Health Diagnoses in Youth Presenting for Polysomnography. Poster session presented at the Western Psychological Association, San Francisco, CA.
    • Vo, T. T., & Van Dyk, T. R. (2020, October). The Effects of Parent-Child Relationships on the Association between Sleep and Externalizing Problems in a Clinical Youth Sample. Poster session presented at the Western Psychological Association, San Francisco, CA.
    • Vo, T. T., Wakabayashi, L., Ly, A. L., Van Dyk, T. R. (2020, October). Parental Maladaptive Sleep Beliefs and Daily Parenting Stress Predicting Pediatric Sleep in Youth Presenting to Polysomnography. Poster session presented at the Western Psychological Association, San Francisco, CA.
    • Ly, A. L., Wakabayashi, L. E. T., Napan, J. M., & Van Dyk, T. R. (2020, August). Socioeconomic status, recent life events, and medical complexity: Impacts on parent sleep. Poster presented at the 128th Annual Convention of the American Psychological Association, Washington, DC.
    • Ly, A. L., Napan, J. N., Wakabayashi, L. E. T., & Van Dyk, T. R. (2020, April). Caregiver dysfunctional beliefs about sleep and melatonin usage in a pediatric sleep population. Poster presented at the 100th Annual Convention of the Western Psychological Association, San Francisco, CA.
    • Richards, E. Hong, L., Van Dyk, T. R., Heim, E. Andersen, M., Brashear, N., Alaras-Whitfield, C., Vasquez, A. (2020, April). Impact of an interprofessional experience on student self-evaluation of the Interprofessional Education Collaborative (IPEC) competencies for 16 healthcare professions. Poster to be presented at the 2020 National Academies of Practice Annual Conference.
    • Van Dyk, T. R., Combs, A., Whitacre, C., McAlister, S., & Beebe, D. W. (2018, June). Feasibility of an Experimental Protocol Inducing Variable Sleep in Healthy Teens. Poster presented at the SLEEP Meeting, 2018, Baltimore, MD.
    Dr. Van Dyk skiing with her spouse
    Wholeness
    Actively exploring the outdoors with those I love helps keep me grounded to my values and the things I regard most in my life. Whether it's by hiking, skiing, camping, or playing sports, I'm most whole when I take the time to connect to myself, others, and the world we share.
    Dr. Tori Van Dyk