Snacks, or slump bumps as we affectionately like to call them, are hugely important. Snacking appropriately prevents overindulging at meals, stops you from making poor food choices out of extreme hunger, and keeps your energy at peak. Selecting a snack that includes protein, fiber, and a little fat guarantees sustained energy and satiety. Here are 11 ways to cure your next 3pm slump, suggested serving sizes included, so you don't over do it.