Night shift vigilance and the oxygen-centric model: Clinical safety, cognitive fatigue, and non-stimulant intervention. AuthorsAlan P. Xenakis, MD, ScD, MPH, MSAudra Renee Smith Xenakis, RN, BSN, DNP 1. How does XenaGen™ actually help a pilot at hour 9 of a 10‑hour duty day? By the end of long duty periods, pilots typically show marked slowing … Continue reading Q & A Night shift vigilance