Titov was the first person to orbit the Earth multiple times (a total of 17), and was also the first to sleep in orbit and to suffer from space sickness.
He was the first person to orbit the Earth multiple times (a total of 17), the first to pilot a spaceship and to spend more than a day in space. He was also the first to sleep in orbit and to suffer from space sickness (becoming the first person to vomit in space). 
