2 Hard Cooked Eggs

If you have trouble staying asleep at night, it may be because you didn't eat a pre-bedtime snack high in protein, or perhaps your snack was too high in simple, high-sugar carbohydrates, like cake and candy. "The problem with simple carbs is that they can put you on a 'sugar roller coaster' and drop your blood sugar while you're sleeping, causing you to wake at 2 or 3 in the morning," says Dr. Teitelbaum. A better bet? "Eat an egg, cheese, nuts or other protein-rich snack instead," he says, "so you can not only fall asleep, but stay asleep."