A 38-year-old woman presents with a six-month history of persistent worry about work performance, finances, and family health. She reports difficulty falling asleep, taking over 90 minutes most nights, and waking at 3 AM unable to return to sleep. Her GAD-7 score is 16 and ISI score is 22. She has tried melatonin and diphenhydramine without benefit. She denies depressive symptoms, substance use, and has no significant medical history. She works as an ICU nurse with rotating shifts. The PMHNP is formulating a treatment plan. Which of the following is the most appropriate treatment planning approach?