Delayed Diagnosis, Range of Severity, and Multiple Sleep Comorbidities: A Clinical and Polysomnographic Analysis of 100 Patients of the Innsbruck Narcolepsy Cohort Delayed Diagnosis, Range of Severity, and Multiple Sleep Comorbidities: A Clinical and Polysomnographic Analysis of 100 Patients of the Innsbruck Narcolepsy Cohort Download Ventricular or Pseudo-Ventricular Tachycardia on Polysomnogram Assessment of Drowsiness Based on Ocular Parameters Detected by Infrared Reflectance Oculography