Celebrity | Charlie Sheen Charlie Sheen Enters Rehab Also, the sky is blue By Polly Davis Doig Posted Jan 29, 2011 7:13 AM CST Copied Charlie Sheen, Angus T. Jones and Conchata Ferrell are shown during a taping of "Two and a Half Men," which has currently on hiatus while Sheen is in rehab. (AP Photo/CBS, Greg Gayne) Must have been a really uncontrollable case of the giggles, but just after "laughing too hard" landed Charlie Sheen in the hospital with a hernia, the Two and a Half Men star has now landed in rehab, reports People. Sheen "has voluntarily entered an undisclosed rehabilitation center today," says a statement from his rep. His sitcom will go on hiatus. And in a sign of how desperate Sheen's situation had become, even Lindsay Lohan's worried. Read These Next Of AI-driven Ukraine drones, 'I think we created the monster.' Gunman kills 6 in three Mississippi locations. Pay system is worsening a huge shortage of mechanics. 'Karen' is so 2020. Gen Z has a new nickname. Report an error