In 1976, Nadia Comaneci, the 14-year-old Romanian athlete, won gold with the first perfect 10 ever scored in the Olympics.
Simone Biles, Jordan Chiles and Sunisa Lee spent the night before perhaps the biggest gymnastics meet of their lives restless.
Olympic gymnastic Suni Lee, who is expected to make the U.S. team for the Paris Games, said she's back to…