Question

Jayne was in a fast-food restaurant when a man walked in, drew a gun, and started shooting, killing two people before killing himself. although jayne was not injured in the shooting spree, she has since been unable to return to work. she can't seem to stop thinking about the event. she has recurrent nightmares, is unable to sleep, and does not want to leave her home. it is most likely that jayne is suffering from:

Answer 1

Trauma. Or more specifically, she could be suffering from PTSD, as she witnessed three people dying. (If you include the killer). PTSD is post traumatic stress disorder, and its caused by experiencing a terrifying event. Which includes this situation. Symptoms of PTSD include nightmares, uncontrollable thoughts about the event, flashbacks, and severe anxiety.