Garrett Baber

Garrett Baber
  • Graduate Student

Contact Info

Personal Links

Education —

M.A. in Psychology, University of Kansas, 2024
B.S. in Psychology , Middle Tennessee State University

Research —

Advisor: Nancy Hamilton, PhD
Research Lab: Hamilton Sleep and Health Lab

Garrett works under mentorship of Dr. Nancy Hamilton in the Hamilton Sleep and Health Lab. He studies the relationships between sleep, emotion, and psychological disorders. He is particularly interested in investigating how sleep contributes to implicit and explicit emotion regulation to identify treatment targets for trauma-related disorders characterized by persistent dysregulation. 

Selected Publications —

Baber, G. R., Hamilton, N. A., Girard, J. M., Cohen, J. M., Gratton, M. K., Ellis, S., & Hemmer, E. (2024). It’s the Sentiment that Counts: Comparing Sentiment Analysis Tools for Estimating Affective Valence in Dream Reports. Sleep, zsae210.

Baber, G. R., Aldughmi, M., Al-Sharman, A., Frange, C., Silveira Beck Jr, E., Siengsukon, C.F. (2025). Physical therapists’ perceptions and attitudes about sleep: A compilation and comparison of survey data from three countries. Journal of Allied Health. In press.

Hand, L.K., Nelson, E., Glaser, A., Baber, G. R., Gratton, M.K.P. Bock, K., Siengsukon, C.F. (2025). The development, acceptability, and preliminary efficacy of a sleep health intervention on frailty and quality of life in older adults. Age and Ageing. In press.

Youngren, W. A., Hamilton, N. A., Preacher, K. J., & Baber, G. R. (2023). Testing the nightmare cognitive arousal processing model. Psychological Trauma: Theory, Research, Practice, and Policy.

Selected Presentations —

Baber, G. R., Islam Talukder Md. R., Phadnis, M., Dai, J., Gratton, M. K. P., Siengsukon, C.F. (2025). Seeing the Forest from the Trees: Sleep Stage Compositions Moderate the Effect of CBT-I on Anxiety and Depression Symptoms and are Associated with Insomnia Symptoms in Older Adults. Oral presentation and data blitz presented at the Annual Society of Behavioral Sleep Medicine Scientific Conference.

Baber, G. R., Bock, K., Barry, A., Nelson, E., Glaser, A., Gratton, M.K.P., Siengsukon, C.F. (2025). Examination of Concurrent Validity of the Ru SATED Questionnaire and the Sleep Health Composite in Older Adults with Insomnia Symptoms. Oral presentation and data blitz presented at the Annual Society of Behavioral Sleep Medicine Scientific Conference.

Baber, G. R., Hamilton, N.A., Gratton, M.K.P. (2025). DreamGPT: Validation of ChatGPT as a Tool for Emotion Analysis in Dream Reports. Poster presented at SLEEP Meeting, Seattle, WA.

Baber, G. R., Hamilton, N.A., Gratton, M.K.P. (2025). Dream Affect and Self-Reported Waking Behavioral Responses: A Logistic Regression Analysis. Poster presented at SLEEP Meeting, Seattle, WA.

Baber, G.R., Wells, M., Hamilton, N.A., Gratton, M.K.P. (2024). A Gender Disparity in Dream Emotions. Oral presentation at SLEEP Meeting, Houston, TX.

Awards & Honors —

  • B. Kent Houston Award in Clinical Health Psychology Research, University of Kansas (2025)
  • Montie McMickell Award, University of Kansas (2024)
  • Graduate Research Fund. Dreaming in Color: Testing the Accuracy of Artificial Intelligence-Generated Dream Animations

Grants & Other Funded Activity —

  • General Research Fund, University of Kansas 2023
  • Internal grant awarded to investigate the acceptability of AI-generated videos of dream reports to identify an adjunctive exposure modality in cognitive behavioral therapy for nightmares