Harvey, A. G., Sharpley, A. L., Ree, M. J., Stinson, K., & Clark, D. M. (2007). An open trial of cognitive therapy for chronic insomnia. Behaviour research and therapy, 45(10), 2491–2501. https://doi.org/10.1016/j.brat.2007.04.007
Harvey, A. G., Sharpley, A. L., Ree, M. J., Stinson, K., & Clark, D. M. (2007). An open trial of cognitive therapy for chronic insomnia. Behaviour research and therapy, 45(10), 2491–2501. https://doi.org/10.1016/j.brat.2007.04.007