Sheen had sex with men during that time, but kept it secret due to being extorted, the actor told Good Morning America co-anchor Michael Strahan in an interview that aired Friday on GMA.
Sheen, the Golden Globe-winning star of hit TV shows and movies including Platoon and Two and a Half Men, writes in his own words about his past scandals and turmoil in his new memoir, The Book of Sheen, about which he spoke to Strahan.
Tune into "Good Morning America" on Monday, Sept. 8, at 7 a.m. ET on ABC for more of Michael Strahan's interview with Charlie Sheen about his memoir, The Book of Sheen.