Weird and wonderful gadgets unveiled at this year's CES tech show

A headset that helps track your sleep, a smart cat bowl and a motorised suitcase are among some of the innovative gadgets going on display at the annual Consumer Electronics Show (CES) this week. The largest technology convention in the world is taking place in a conference hall in Las Vegas, showcasing a mix of aspiring tech companies' innovations and a small handful of gems from established names. Members of the media were given a sneak preview of some of the stars of the show at a'CES Unveiled' event, held ahead of its official opening tomorrow. CES is one of the biggest dates in the tech industry calendar and is expected to draw more than 180,000 visitors hoping for a chance to see the kind of tech likely to dominate the coming year's agenda. CES is one of the biggest dates in the tech industry calendar and is expected to draw more than 180,000 visitors hoping for a chance to see the kind of tech likely to dominate the coming year's agenda.