Could have been the first man in spaceGherman Titov and Yuri Gagarin. Igor Snegirev/SputnikTitov lost out to Gagarin in the race to be the first man to fly into space and became his backup. However, he insisted on spending a full day in space, though it turned out to be 25 hours and 18 minutes. In space, he ate, slept, went to the toilet & exercisedSputnikHe became the first person to eat in zero gravity and try out a special space toilet. Despite feeling unwell, he did not abort the flightIgor Snegirev/SputnikA few hours after launch, Titov was overcome by "space sickness" or space adaptation syndrome, with nausea and dizziness.