The night before an exam, eat food that keeps you steady rather than food that spikes your energy and then drops it. A balanced dinner with protein, vegetables, and whole grains is a safe choice. Chicken or fish with brown rice and vegetables, or a stir-fry with tofu and whole grains, gives you sustained energy without heaviness.
Avoid experimenting with new foods the night before a test. Stick to meals you know agree with you. Skip heavy, greasy food and large amounts of sugar, which can leave you sluggish or restless. Limit caffeine in the evening so you can sleep.
If you study late, choose light snacks: fruit, nuts, yogurt, or popcorn. Popcorn is a whole grain with fiber that can keep you satisfied, but go easy on butter and salt. Drink water through the evening. Mild dehydration hurts concentration more than most students realize.
Sleep matters more than one last hour of cramming. A tired brain recalls less than a rested one. Stop studying at a reasonable hour, review your notes briefly, and get to bed. Set out what you need for the morning so you start the day calm.
On exam day, eat breakfast if you normally do. Something simple like oatmeal, eggs, or toast with peanut butter works. Bring water. Arrive early enough to settle in.
Food alone will not carry you through an exam, but good habits protect the work you already put in. For more exam help, see how to survive final exam week and finals week study tips. If stress is the bigger problem, read our guide to avoiding burnout as a college student.

