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While you may be tempted to stay up late and cram in extra studying the night before the test, this could negatively impact your score. Aim to get at least eight hours of sleep the night before the test so that you're well-rested and better able to focus in the morning. If you're having trouble falling asleep the night before the test, direct your mind away from racing thoughts. Picture something relaxing, like lying in a hammock, then gradually fill in the rest of the imagery and details. Try reading a good book (not a test-prep book) for 30 minutes to calm yourself down enough to fall asleep. Even if you don't normally eat breakfast, it's important to do so on test day. This will minimize your chances of being distracted by hunger. Eat foods with lots of protein, such as eggs, sausage or bacon, and Greek yogurt. Add some whole-grain toast to keep you full longer. There are a couple of short breaks during the test. Take a granola bar or bag of almonds with you to snack on during these breaks to help keep yourself focused. Exercise can help de-stress you, so find some time to fit it in on the day before the test. Go for a run or a swim, or do yoga. You could also start test day with a brisk walk just to get your blood flowing.
Get plenty of sleep the night before the test. Eat a protein-packed breakfast on the morning of test day. Exercise on the day before or morning of test day.