Momma always told you that breakfast was the most important meal of the day, so you shouldn’t be surprised that Inc says the same thing. Entrepreneurs are busy people, and they need good, steady energy levels. Breakfast and an afternoon snack can help give you that sustained energy you need to get through a long day. Breakfast. It’s been at least seven hours since your last meal, and your body needs fuel. Studies show that skipping breakfast can reduce productivity by 50 to 75 percent. Ideally, you should eat within an hour of waking up. But skip the muffins, bagels, and corn flakes.