Sports Pyramid, at the top of the Sports Pyramid, is twice a week in strength training. Strength training can make bones hard, muscle strong, and high metabolism. Strong muscle also helps burn more calories, it is also very beneficial to reducing weight, in fact this movement can not only reduce the incidence of cardiovascular diseases such as coronary heart disease, high blood pressure, also for other diseases such as diabetes, colon cancer, have very good prevention effect. Doing this kind of exercise can be done at once, or it can be spread out. If 10 minutes each time, do 3 times. If you want to lose weight, you can't exercise for less than an hour a day. According to a newly released research "The National Heath Interview Survey" conductedby the Centers for Disease Control and Prevention, home health aides, police officers, physicians arethe shortest sleepers in US. Base onanalyzingindividual sleep habits and job requirements, the survey shows thatnone of them sleep 8 - hours which we had arrived all taught to bethe leastfor our healthy life.