Sunnhed, R., Hesser, H., Andersson, G., Carlbring, P., Morin, C. M., Harvey, A. G., & Jansson-Fröjmark, M. (2020). Comparing internet-delivered Cognitive Therapy and Behavior Therapy with telephone support for insomnia disorder: A randomized controlled trial. Sleep, 43(2), 1–15. https://doi.org/10.1093/sleep/zsz245