When are the clocks going back and why are they changing?

Your body-clock will have to adjust as well as your devices (Picture: Getty Images/iStockphoto)The days are getting shorter, and British Summer Time (BST) will soon make way for good old Greenwich Mean Time (GMT).You’ll get an extra hour of bed as a result of clocks going back this weekend, but there will also be a noticeable change in when the sun goes up and down.Many people say this affects their mood – hello Seasonal Depression – which contributes to a debate over whether t