Friends co-star Matthew Perry following his death last year.Perry, who is best known for playing Chandler Bing in the hit sitcom, died on October 28 in his home in California, aged 54. Perry’s cause of death was from “cardiovascular overstimulation and respiratory depression”, from the acute effects of drug use.Cox starred as Monica alongside Perry in Friends from 1994-2004 and their on-screen relationship proved a hit with fans of the show.In a new interview with CBS, Cox said that she still “senses” Perry around her.She explained: “I’m so thankful I got to work so closely with him for so many years.