Nightmares play an important positive role in human life, say German researchers. Unpleasant dreams of adults indicates problems related to their psychological and physical health, they also help children to cope with stress.
Terrible dreams that frighten most children, according to scientists, are a kind of mechanism to facilitate the processing of all seen or heard, but also a way of adaptation to stress. So, nightmares are a kind of preparation for further difficulties in life.
Nightmares also allow the adult to release the information load and overcome stress, say German experts, quoted by Reuters.