The clocks go back this weekend, so the nights will get longer and the days darker. However, there are ways to alleviate the darkness and make the winter days more bearable as shoppers turn to a wake-up light. Over at Amazon, shoppers can now get the Lumie Bodyclock Spark 100 wake-up light alarm clock for £70.54 down from £99, saving them 29% in a limited-time deal. It marks its lowest in six months. The light-up alarm clock helps ease dark mornings with a gradual 30-minute sunrise light that