Sandwiches largely take the spotlight at lunchtime, but we don’t have to limit them to that hour. Especially during the holiday drinking season. If you slap an egg between two pieces of bread, you can call it a hangover cure. When you are feeling blurry in the AM, it doesn’t matter if it’s on a bagel, on a croissant or on anything else that resembles a carb, its time for the breakfast sandwich to shine. We tested five of Chicago’s Sunday morning lifesavers; click through the below slide show to see which you should scarf when you need some relief.