When we think about the main things that keep us healthy, like diet, sleep and exercise, it's easy to imagine them on parallel roads, where what we do in one lane doesn't even affect the other lane. But if we scientifically study complex biological processes, then it becomes clear that the roads of health are much more intertwined than we thought. Nutrition and sleep are currently the hottest topics for research, and recent studies have shown that our diet affects the quality of our sleep, and the quality of our sleep affects how we eat throughout the day. Here are superfoods or superfoods that will help us sleep better.