Have a nutritious dinner. Avoid spicy and rich foods. Think marathon runnerfor the day ahead.
Double-check your admission and travel plans. Make sure that you know exactly where you need to be, what you need for admission, when you need to be there, and how early you need to leave to arrive with time to spare.
Double-check your exam supplies. The CISSP exam is longer than other standard professional exams, and the testing conditions are different. You can bring snacks, beverages, tissues, and other comfort and refreshment items. In our opinion, a big bottle of water is tops on the list. Wear an analog watch; digital watches are forbidden in some testing areas.
Review CISSP For Dummies. Once more around the block should get your head on straight. At this point, you should know the book cold.
Go to sleep. Stretch out and get ready for an important day.