A nurse is caring for a client who has an anxiety disorder and reports ongoing difficulty sleeping at night. Which of the following recommendations should the nurse make?

"Drink 5 ounces of red wine roughly 30 minutes before bed."

"Limit caffeine to one or two servings during daytime hours."

"Exercise 1 hour before bedtime."

"Stay in bed for 1 hour before getting up if you are unable to sleep."