Harwood, Rupert. “Exploring and Developing the Concept of the Dream As a Threat Monitoring-Alerting Mechanism”. International Journal of Dream Research 14, no. 1 (April 15, 2021): 156–164. Accessed April 20, 2024. https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/76927.