Jazz Pharmaceuticals plc (Nasdaq: JAZZ) today announced that it has entered into a definitive agreement to divest Sunosi® (solriamfetol), a dual-acting dopamine and norepinephrine reuptake inhibitor shown to improve wakefulness in adults living with excessive daytime sleepiness (EDS) due to narcolepsy or obstructive sleep apnea (OSA), to Axsome Therapeutics (Nasdaq: AXSM).