How Can You Relieve Migraines. My Son Has Migraines And

How can you relieve migraines. My son has migraines and is trying out for baseball. He did not go to school today and it helped that he got rest before tryouts. Tomorrow he has to go back to school. I am worried he will be exhausted and not be able to tryout. How do I relieve migraines. I know sleep is important