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Get enough rest. Minimize other stressful events right before the speech. Avoid mood-altering substances. Exercise moderately to calm your nerves. Look your best. Eat healthy

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Plan ahead and get a good night's sleep before your presentation. Being fatigued during your speech will minimize your ability to deal with the stress of giving a speech. If you have trouble falling asleep, drink some warm milk and think some pleasant, relaxing thoughts. It may also help to listen to a relaxation tape or soft music, or to do some light reading before going to sleep. If you can, clear your calendar of stressful events that could interfere with your ability to concentrate and speak confidently and sincerely. In other words, don't schedule a job interview, a dentist visit, or a meeting with your ex-spouse's lawyer on the same day you are going to deliver that all-important speech. Some people mistakenly think that drinking lots of coffee or alcohol, smoking cigarettes, or popping a tranquilizer before speaking will improve their delivery. However, mood-altering substances are a crutch you don't need. It's best to avoid these substances altogether so that you can use all of your mental abilities to get through the speech. One problem with taking mood-altering substances before a speech is that you can't necessarily regulate the dosage. You don't know how much is too much and, once it is in your bloodstream, there is little you can do about it. Your relaxation may turn to sluggishness. Your pep may turn to jitters. If you have excess energy before your speech, you can get a little of it out by exercising. Do a light workout that gets rid of some of your excess energy but doesn't exhaust you completely. For example, you could do a gentle yoga class or go for a walk a few hours before your speech to get you relaxed and ready. Take some time to pick an outfit that is both comfortable and professional. Polish your shoes and comb your hair. Wear attractive, flattering, professional-looking clothing. When you look good and are comfortable, it will help you feel confident.  If you aren't sure what looking good is all about, talk to friends and family members that have good style. Talk to them about the colors and styles that look best on you. If you are giving a very important speech, you can hire an image consultant or a stylist to tell you what to wear. A good image consultant can tell you how to look fantastic without spending a fortune. and lightly before your speech. On the morning of your speech, eat something healthy that will keep your energy up throughout the day. Then eat lightly, or not at all, starting 1 hour before speaking. A full stomach can lower your energy level and concentration, because your body is busy digesting food. However, you don't want to be starving when you give your speech either.  Don't drink soda or other drinks that could make you jittery or make your energy crash right before your speech. Carbonated beverages can also give you dry mouth, which can make it hard to give your speech. Any nervousness can make digestion difficult. You don't want a belch or a gurgling stomach interrupting your speech.