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Surveys show that 60% of the population sleeps between seven and eight hours a night. The other 40% sleep less, or more. So if you are not getting your eight hours each night, and you feel fine, maybe you don't need as much sleep as you think you do. Other factors that determine your sleep needs are your health, your job, your emotional state, and the «efficiency» of your sleep. Sleep efficiency is very important because 6 hours of sound, restful sleep will do you more good than 10 hours of tossing and turning. What you sleep on is also very important. A surface that is too soft can cause lower back pain. A mattress that is too hard can cause painful pressure at the shoulders and hips. For sleep that is truly efficient, support and comfort must work hand in hand. That is why it makes sense to buy the highest quality bedding you can afford. In the right size. If you suffer from insomnia, as some people do, mild exercise can often help you to sleep at night. Just don't exercise too strenuously before bedtime. Generally speaking, exercise is important. In fact, there is some evidence that the better your physical condition, the better you will be able to sleep. In today's competitive fast moving world it's more important than ever to be the best you can be. And when you sleep your best, you can look and feel your best. And that means you can do your best at anything you pursue. You have the energy and the feeling of well-being that makes each day easier and more enjoyable. Sleep is too important to be taken lightly. №6 I don't live in Tokyo. I don't even know whether I would like to live there. I love it and hate it — it is one of those places that you can love and hate at the same time. The first «fact» about Tokyo, for me, is that there are too many people. I don' t mean the fact that twelve million people live there. That is four million more than London or New York, but it is not an important fact for me. In Tokyo there are always too many people in the places where I want to be. That is the important fact for me. Of course there are too many cars. The Japanese drive very fast when they can but in Tokyo they often spend a long time in traffic jams. Tokyo is not different from London, Paris and New York. It is different when one wants to walk. 187
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