Here are some good articles to read in order to understand what a victim of stalking has to deal with and yes, “In addition to the physical dangers, stalking takes a severe psychological toll on its victims.”

https://www.psychiatrictimes.com/articles/comprehensive-treatment-stalking-victims

https://psychnews.psychiatryonline.org/doi/full/10.1176/pn.36.12.0008

http://usir.salford.ac.uk/40774/1/%27No%20Place%20to%20Hide%27%2C%20Stalking%20Victimisation%20and%20its%20psycho-social%20effects.pdf