Patient presents with excessive daytime sleepiness (EDS), a hallmark symptom of narcolepsy with cataplexy.  The patient reports irresistible sleep attacks occurring multiple times daily, often in inappropriate situations.  These episodes of sudden sleep onset are accompanied by cataplexy, characterized by brief episodes of bilateral muscle weakness triggered by strong emotions such as laughter or excitement.  The patient denies sleep paralysis or hypnagogic hallucinations.  The Epworth Sleepiness Scale (ESS) score is elevated at [insert score].  Multiple sleep latency testing (MSLT) revealed a mean sleep latency of [insert value] minutes and two or more sleep onset REM periods (SOREMPs), confirming the diagnosis of narcolepsy.  Differential diagnoses considered include idiopathic hypersomnia, obstructive sleep apnea, and other sleep disorders.  The patient's medical history is significant for [list comorbidities].  Current medications include [list medications].  A treatment plan has been initiated, focusing on improving daytime alertness and managing cataplexy.  This includes patient education regarding sleep hygiene, scheduled naps, and pharmacotherapy with [medication name and dosage] for EDS and [medication name and dosage] for cataplexy.  The patient was counseled on the risks and benefits of each medication, including potential side effects.  Follow-up appointment scheduled in [timeframe] to monitor treatment efficacy and adjust medication as needed.  ICD-10 code G47.41 (narcolepsy with cataplexy) is assigned.  Further evaluation and management will focus on optimizing medication regimen, addressing potential comorbidities, and improving quality of life.