Don't sleep more, exercise more
Eight hours of sleep is usually enough for adults. Getting longer sleep may reduce activity in the cerebral cortex,making people sleepier.
Instead, slightly increase the level of your physical activity, which will help to send more oxygen to the brain, making us feel awake and energetic.
Aerobic exercise, such as jogging, swimming and rope skipping, are recommended.
Within the epidermis develops a ring of parenchyma cells, the cortex.