Bavisant dihydrochloride hydrate is primarily investigated for its potential therapeutic applications in the treatment of narcolepsy and other sleep-related disorders. It functions as a histamine H3 receptor antagonist, which helps in promoting wakefulness and improving cognitive functions. This makes it a promising candidate for managing excessive daytime sleepiness, a common symptom in narcolepsy patients. Additionally, its role in enhancing attention and memory has sparked interest in its use for addressing cognitive impairments associated with conditions like Alzheimer's disease and attention deficit hyperactivity disorder (ADHD). Research continues to explore its efficacy and safety in these clinical areas.