Sleep helps process traumatic experiences. (image: iStock.com/Voyagerix)
Does sleep help process stress and trauma? Or does it actually intensify emotional reactions and memories of the event? This previously unanswered question is highly relevant for the prevention of trauma-related disorders, such as posttraumatic stress disorder (PTSD). How extremely distressing experiences are processed right at the outset can influence the further course and development of posttraumatic stress disorders. PTSD patients experience highly emotional and distressing memories or even flashbacks where they feel as if they are experiencing their trauma all over again. Sleep could play a key role in processing what they have suffered. A study conducted by a team from the Department of Psychology at the University of Zurich and the Psychiatric University Hospital Zurich has now tackled the question as to whether sleep during the first 24 hours after a trauma has a positive impact on highly emotional distress and memories related to traumatic events. In the lab, the researchers showed test subjects a traumatic video. The recurring memories of the images in the film that haunted the test subjects for a few days were recorded in detail in a diary.
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