Everyone needs to sleep at least six hours at night. This is very important for relaxation of body and brain. This helps to improve memory function and reduce the chance of stroke. You need to eat proper food to make your brain strong. Green vegetable, fish, nuts, milk and other healthy foods are beneficial not for health only but also for brain. A short meditation can help your brain as well. Reduce anxiety by inhaling 7 counts, hold for 7 and also exhale for 7 counts. Regular walking also helps the function of brain. It helps to make good conversation with friends and others. You have to challenge your brain by memorizing three new words every day.