Schredl, M., S. Fröhlich, S. Schlenke, M. Stegemann, C. Voß, and S. De Gioia. “Emotional Responses to Dream Sharing: A Field Study”. International Journal of Dream Research, vol. 8, no. 2, Nov. 2015, pp. 135-8, doi:10.11588/ijodr.2015.2.23052.