Advent Sleepout Challenge 2016 The Advent Sleepout Challenge is a national, sponsored event to help marginalised people in England transform their lives and communities through the work of Church Urban Fund. In 2015 the Advent Sleepout Challenge saw 75 events took place. That number took a big jump up to 98 events in 2016. So far these events have raised almost £60k. These events took place all across England in churches, cathedrals, forests, halls, and even Westminster Abbey! If you took part in the Sleepout Challenge 2016 and want to send in any funds raised, you can find all the relevant details on the Sleepout Challenge website. If you didn't take part in 2016 but would like to know more, check out the highlights below!