Scientists at the University of Surrey are working on a device that could produce healthier sleep and help stave off dementia and diabetes. Our reporter tried it on How embarrassing, I think, as I lie on a bed, wide awake. How awkward to be in a sleep laboratory with three scientists observing my nap, and not actually able to nap. It is especially embarrassing, I think, because here at the University of Surrey I... [4686 chars]