Emily Sheridan is the daughter of Jason Sheridan and his ex-wife, Laura Nypo. She was 10 years old when her parents divorce and was 15 years old when her father took command of Babylon 5. By 2262 at 18, Emily leaves Babylon 5 for Earth to attend Sinclair University.
In 2262, During her freshman year, Emily began to develop an addiction to caffeine pills in order to stay awake around finals.