Like increasing numbers of people, you probably don't get enough sleep. You could suffer from insomnia and feel tired all the time. Our lifestyle pushes sleep into the background - something that can be cut down or done without. Now, research reveals the importance of regular sleep as an integral part of optimal health. Failing to get the right amount of sleep can make you ill. Sleep Tight reveals how lack of sleep can cause you to put on weight, look older, develop chronic illness or make you a danger at the wheel. It explains how much sleep you need, the part played by your body clock,...