A bruise (Ecchymosis) occurs when tiny capillaries under the skin rupture and leak blood into surrounding tissues. The color changes from red to purple, green, yellow, then brown as the hemoglobin breaks down into biliverdin, bilirubin, and hemosiderin.

In Traditional Chinese Medicine, sweat is not merely waste—it is the essence of Yang, vital for supporting key organs like the Heart and Kidneys. Unexplained night sweats, particularly during sleep, indicate Yin Deficiency—when the body lacks the cooling, nourishing force to restrain inner fire. This allows Yang energy to erupt unregulated, causing excessive sweating.

Many people have experienced unintentionally dozing off during a car ride—whether as a silent passenger or even, alarmingly, as the driver who must open windows or blast music to stay awake. But falling asleep in the car isn’t merely a sign of fatigue. Rather, it may reflect a complex interplay of biological, psychological, and energetic systems within the body.