If there is a nightmare waking up scared, 1, it is likely to be caused by too much mental tension, there are some nightmare scenarios and the mood during the day has a certain relationship, so pay attention to adjust their nervousness, relieve psychological pressure, you can listen to music, exercise or shout to vent their bad mood, so as to relieve the symptoms of nightmares. 2, there is a nightmare waking up scared, it is possible Is due to the recent watching too many horror movies or horror novel plot, easy to form the impression of terror in the brain, in the night sleep can be presented, but also affect the sleep. Therefore, it is recommended that usually try not to read too scary books or movies to avoid causing bad emotions to appear.