Colin Espie

Senior Research Fellow (Somerville); Professor of Sleep Medicine (Nuffield Department of Clinical Neurosciences)

Professor Espie is founding Director of the Experimental & Clinical Sleep Medicine research programme in the Sleep & Circadian Research Institute (SCNi).

Professor Espie’s expertise is in the clinical and laboratory assessment and treatment of sleep disorders, particularly using Cognitive Behavioural Therapeutics (CBTx), and in studies of sleep’s relationship to mental health. He is also Clinical Director of MSc/PgDip in Sleep Medicine, an online course affiliated to Somerville, that trains clinicians around the world. He co-founded and developed SleepioTM a digital CBT programme for insomnia.

You can contact Professor Espie via his email ( or through his PA, Toria Summers (


  • Espie C. A. (2023). Revisiting the Psychobiological Inhibition Model: a conceptual framework for understanding and treating insomnia using cognitive and behavioural therapeutics (CBTx). Journal of sleep research, e13841. Advance online publication.
  • Morin, C. M., Bjorvatn, B., Chung, F., Holzinger, B., Partinen, M., Penzel, T., Ivers, H., Wing, Y. K., Chan, N. Y., Merikanto, I., Mota-Rolim, S., Macêdo, T., De Gennaro, L., Léger, D., Dauvilliers, Y., Plazzi, G., Nadorff, M. R., Bolstad, C. J., Sieminski, M., Benedict, C., … Espie, C. A. (2021). Insomnia, anxiety, and depression during the COVID-19 pandemic: an international collaborative study. Sleep medicine, 87, 38–45.
  • Espie, C. A., Emsley, R., Kyle, S. D., Gordon, C., Drake, C. L., Siriwardena, A. N., Cape, J., Ong, J. C., Sheaves, B., Foster, R., Freeman, D., Costa-Font, J., Marsden, A., & Luik, A. I. (2019). Effect of Digital Cognitive Behavioral Therapy for Insomnia on Health, Psychological Well-being, and Sleep-Related Quality of Life: A Randomized Clinical Trial. JAMA psychiatry, 76(1), 21–30.
  • Freeman, D., Sheaves, B., Goodwin, G. M., Yu, L. M., Nickless, A., Harrison, P. J., Emsley, R., Luik, A. I., Foster, R. G., Wadekar, V., Hinds, C., Gumley, A., Jones, R., Lightman, S., Jones, S., Bentall, R., Kinderman, P., Rowse, G., Brugha, T., Blagrove, M., … Espie, C. A. (2017). The effects of improving sleep on mental health (OASIS): a randomised controlled trial with mediation analysis. The Lancet Psychiatry, 4(10), 749–758.

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