Yawning 　The main purpose of yawning is to cool down the brain after it’s been overheated or overloaded. Sneezing 　Usually, we sneeze when our nasal passages fill up with too many allergens, microbes, dust, or other irritants. Sneezing is the body’s way of getting rid of this “trash.” Stretching 　We instinctively stretch in order to prepare our bodies for the physical loads we expect them to take during the day. At the same time, stretching works the muscles, restores blood flow, and improves our mood. Hiccuping 　When we eat very quickly, swallow large pieces of food, or simply overeat, our pneumogastric nerve can become irritated. This is closely connected to … Continue reading Bright Side