Question

what is a symptom of too much stress over a long period of time? low - grade fever elevated antibodies insomnia hallucinations

Explanation:

Long - term stress can disrupt the sleep - wake cycle, leading to insomnia. Low - grade fever is usually due to infection or inflammation, elevated antibodies are related to immune responses, and hallucinations are more associated with mental health disorders or certain substances rather than being a typical long - term stress symptom.

Answer:

C. insomnia