A 31-year-old male client presents to the PMHNP with a chief complaint of fatigue. He reports that sometimes he falls asleep at work, which is causing issues with his employment. These episodes occur at least four times a week and started approximately 5 months ago. He says he spends most of his weekends in bed or on the couch, sleeping and napping. Which of the following scales distinguishes reports of dozing behavior from feelings of fatigue and drowsiness/sleepiness?