While you are using up energy revising it is important to eat properly so that your body and your mind are fit and ready for the exams. Fish, eggs and milk are high in protein which is used by your brain. But you will need energy as well. Nuts and bananas will are good sources for this (chocolate is another good source of energy, but the effects of eating a bar of chocolate last far less than eating, for instance, a banana).
For more information visit – https://ccc.cambridgeshireeducationaltrust.org/Revision/