Scientists have figured out one of the causes of nightmares

Scientists conducted an experiment involving more than 700 people. Volunteers recorded their dreams for a week and answered the experts’ questions.

In the course of the study, experts divided the thoughts of the subjects into 4 groups: spontaneous; those that depend on the fulfilment of goals, but have no connection with stimuli; caused by stimuli, but not related to tasks; caused by both tasks and stimuli.

The results revealed similarities between dreams and daytime reflections that were not task-related. In addition, participants saw images in dreams that they had thought about during the day with no connection to the stimulus. The dreams were characterised by vividness but lacked meaningfulness, volunteers admitted.