Question: A 24-year-old man presents to the PMHNP with complaints of excessive grogginess upon awakening in the mornings, even after getting a full & hours of sleep. He reports he is able to fall asleep quickly and stays asleep all night, but he is groggy and confused when he wakes up. This feeling sometimes lasts for a few hours, and it has become problematic at work because he forgets how to do simple tasks until the grogginess clears. He sometimes falls asleep during meetings, and has even driven to work without remembering how he got there. His medical workup identifies no physical cause for these issues. What is the most likely diagnosis? Need Assignment Help? O Narcolepsy O Circadian rhythm sleep-wake disorder O Hypersomnolence disorder O Insomnia