The Overuse of Segregation and the Interplay Between Mental Health and Segregation 1,560. That is how many days 23-year-old Ontario inmate, Adam Capay, spent in continuous segregation, without trial, in a small, Plexiglas-lined cell.[i] The UN Commission on Human Rights defines prolonged segregation as anything greater than fifteen days. If the segregation exceeds fifteen days, the United...