Plasma Total Ghrelin and Leptin Levels in Human Narcolepsy and Matched Healthy Controls: Basal Concentrations and Response to Sodium Oxybate Plasma Total Ghrelin and Leptin Levels in Human Narcolepsy and Matched Healthy Controls: Basal Concentrations and Response to Sodium Oxybate Download Ventricular or Pseudo-Ventricular Tachycardia on Polysomnogram Assessment of Drowsiness Based on Ocular Parameters Detected by Infrared Reflectance Oculography