Stage 2. Next, eye movement stops and brain waves become slower, with alpha activity shutting down entirely. The brain will begin to produce â sleep spindles â â brief bursts of activity that last for about half a second before dying down. The average adult will spend most of her night in this stage.
Swollen feet and legs, referred to medically as edema, occur when fluid is retained in the spaces between body cells. Edema typically affects the feet, ankles and lower legs, but can also impact any area of the body, causing systemic symptoms. Causes:
What causes Swollen Ankles and feet? Swollen Ankles causes may include : Heart Disease. In many patients with swollen ankles heart disease is found to be a cause. Swelling in the ankles can be an indicator of heart ailments. Liver Disease. In a few cases of Swollen Ankles liver disease may be the underlying cause. Ankle swelling can be a symptom of liver ailments. Drugs