Discussion: Treatment for a Patient With a Common Condition Insomnia is one of the most common medical conditions you will encounter as a PMHNP. Insomnia is a common symptom of many mental illnesses, including anxiety, depression, schizophrenia, and ADHD (Abbott, 2016). Reference: Abbott, J. (2016). What’s the link between insomnia and mental illness? Health. https://www.sciencealert.com/what-exactly-is-the-link-between-insomnia-and-mental-illness#:~:text=Sleep%20problems%20such%20as%20insomnia%20are%20a%20common,bipolar%20disorder%2C%20and%20attention%20deficit%20hyperactivity%20disorder%20%28ADHD%29 […]