Avoid caffeine, such as coffee, tea, colas, energy drinks, and chocolate. Caffeine can keep you in a tense, aroused condition. For more information, see the topic
Do not smoke or use
smokeless (spit) tobacco products. Nicotine stimulates many physical and
psychological processes, causes your blood vessels to constrict, and makes your
heart work harder. For more information, see the topic
Exercise during the day.
Even a brisk walk around the block may help you stay calm. For more
information, see the topic