What is a one-sentence summary of the following article?
Water is the fuel of our bodies. Having a glass of water available while studying will help enhance your concentration during studying. Staying hydrated can benefit your memory as well. Treating your body well is half the battle of entering the right mindset. There are certain foods you can eat that will improve your focus and your general well-being. Studies show that eating high-carb, high-fiber, slow-digesting foods like oatmeal are best for the morning of a test. The food you consume the two weeks leading up to the exam are just as important and affect how well you study. Eat a well balanced diet that includes plenty of fruits and vegetables. Incorporate superfoods into your diet like blueberries and almonds. This system controls your heart and blood path. Part of healthy studying is a healthy flow of blood to your brain. Studies have proved that 20 minutes stimulating this system improves your memory. Don't feel obliged to go on a run if you don't want to. Bust a move in your living room to your favorite dance track. Let this be your time to unwind and alleviate stress during your study break. The main thing is to get your heart rate up. Once it is faster, continue doing an exercise for at least twenty minutes. Getting a full nights rest (at least 7-8 hours) helps motivate you to study. If you are sleep deprived, studying will feel like a chore. You won't learn nearly as much information sleepy as you will after a good night's rest.

Summary:
Drink plenty of water. Eat well. Stimulate your circulatory system. Sleep well.