0400 Sleep Onset REM Period (SOREMP); Beyond the Diagnostic Marker-V45IS1 0400 Sleep Onset REM Period (SOREMP); Beyond the Diagnostic Marker-V45IS1 Download 0399 Patient Preference and Nocturnal Experience With Sodium Oxybate Treatment for Narcolepsy: Interim Data From RESTORE-V45IS1 0401 Efficacy of Once-Nightly Sodium Oxybate (ON-SXB; FT218) By Narcolepsy Type: Post-hoc Analyses From the REST-ON Trial-V45IS1