Share Stanford scientist who discovered cause of narcolepsy wins Breakthrough Prize Sep 22 2022 Solving a sleep mystery, Dr. Emmanuel Mignot of Stanford University helps pave the way for new treatments. Image Photo courtesy of Stanford Medicine, by Lenny Gonzalez Dr Emmanuel Mignot with his dog, Watson, who has narcolepsy, in 2016. Mignot sometimes takes Watson to the sleep clinic to help explain the disease to his younger patients. Photo courtesy of Stanford Medicine, by Lenny Gonzalez Dr.