Distress. We know two types of stress, positive (eustress) and negative (distress). Both types of stress have their function and their characteristics. While positive stress is mostly associated with tasks that we find hard to do but very challenging and doable at the same time, distress/negative stress is mostly associated with hard and negative situations which we consider to be extremely hard and negative for us.
All the options above can result from economic specialization. The correct option is the last one.
Young adults (late teens, early 20s) have the lowest rate of sleep disturbances of any age group with the possible exception of babies. They are past the common childhood disorders (night terrors, sleepwalking) but do not yet suffer the insomnia of middle age or the fragmented sleep of old age. This is a generalization, of course, but we can say that young adulthood is the golden age of sleep.
Its main purpose is to restore partial flow of oxygenated blood to the brain and heart. ♥
