The nurse is caring for a patient who is recovering from a traumatic brain injury and frequently becomes disoriented to everything except location. Which nursing intervention will the nurse add to the care plan to reduce confusion?

Place a patient observer in the patient's room for safety

Assess the patient's level of consciousness and document every 4 hours

Prepare to discharge once the patient is awake, alert, and oriented

Keep a day-by day calendar at the patient's bedside