They are used to first-class treatment but next month executives from companies such as Facebook, Aviva and PwC (Pricewaterhouse­Coopers) are swapping their comfy beds for a night sleeping rough. CEO Sleepout, which has been organised with the help of the Cardinal Hume Centre and Depaul UK, is arranging for senior business figures to sleep out at Wembley Stadium on 13 October. The idea is to raise money for homelessness, with similar events taking place across the country. And it is not just corporate types taking part. The Dean of Westminster, John Hall, is swapping his well-appointed residence for a sleeping bag at Wembley that night. Others sleeping out include the Revd Paul Hackwood, the executive chairman of the Church Urban Fund, and Cathy Corcoran, the chief executive of the Ca