Narcolepsy Therapeutics Market by Product Type (Central Nervous System Stimulants, Sodium Oxybate, Selective Serotonin, Reuptake inhibitor (SSRI), Tricyclic Antidepressants and Others ); By Application (Narcolepsy with Cataplexy, Narcolepsy without Cataplexy and Secondary Narcolepsy); by Regional outlook (U.S., Rest of North America, France, UK, Germany, Spain, Italy, Rest of Europe, China, Japan, India, Southeast Asia, Rest of Asia Pacific, Rest of World) – Global Insights, Growth, Size, Comparative Analysis, Trends and Forecast, 2018 - 2026