302 Chapter 12 Health and Fitness Copyright Goodheart-Willcox Co., Inc. • Use your bed strictly for sleep. This will help program your body to know that getting into bed means “it is now time to sleep.” If you want to read or watch TV, do so before getting into bed. • Stay away from coffee, tea, or cola in the evening. The caffeine in these beverages may keep you awake. • Sleep on a mattress that is neither too soft nor too fi rm. • Keep the temperature in the bedroom at a moderate setting—not too cold and not too warm. Th e Importance of Personal Hygiene Other people’s impressions of you are infl uenced by the way you look. Your appearance can also have a great impact on your self-image. However, you do not need beautiful features to be attractive. Your appearance is largely determined by the way you care for yourself. Basic hygiene, or cleansing practices that promote good health, includes your whole body. Taking a bath or shower every day and caring for your skin, teeth, and hair play an important role in presenting an attractive appearance. 12-1 Strengthening family relationships can be one effect of enjoying leisure time together.