Response to: Once-nightly sodium oxybate (FT218) in the treatment of narcolepsy: a letter to the editor commenting on the recent publication by C. Kushida et al. Issue 6 (13th June 2022) - Kushida, Clete A; Roth, Thomas; Shapiro, Colin M; Roy, Asim; Rosenberg, Russell; Ajayi, Akinyemi O; Seiden, David; Gudeman, Jennifer