Breakfast is the first meal of the day that provides energy and nutrients after an overnight fast. The author investigates the importance of breakfast through a literature review and survey of classmates. Key findings include: breakfast improves mood, concentration, and academic performance in students; it regulates blood sugar and metabolism; and skipping breakfast can lead to overeating later. The author concludes that breakfast fuel the brain and body and is especially important for students and children. A balanced breakfast from the main food groups is recommended to start the day healthy.