Scientists from the University of Massachusetts Amherst (USA) have denied a popular misconception about the healing power of sleep.
They showed 106 participants aged 18-30 years to 30 photos with neutral content and harrowing images (for example, the horrors of war) and asked to rate their emotional distress on a nine-point scale.Next, the researchers mixed the first photos from the new 120, and showed them again, but after 12 hours, asking you to specify which of them are familiar.
The subjects were divided into several groups, some photos looked shortly before bedtime, others in the morning.Repeated demonstration of images held in the morning in the first group and the second night (the participants could not sleep, and drink alcohol during the day).To eliminate the influence of time of day on the result of the experiment, the authors have joined a few people in a control group that watched the pictures and in the mo
As a result, it became clear that the most powerful negative emotions continued to experience people who slept between viewings frames, they better remember them.During their sleep with the aid of special instruments to monitor brain activity, it was found that the maximum duration of the sleep phase in which dreams are formed, it was among those who experienced the most intense feelings of what he saw.
This means that during sleep the pain and anxiety "cemented" in the brain, and woke up the next morning, the man feels them as if they had just occurred.
results of this study may make changes to the methodology for the treatment of post-traumatic stress disorder - the disease occurs in those who have experienced severe trauma or participated in hostilities.
If you do not give a patient to sleep immediately after the injury, possibly his recovery will be faster, becausememories of the pain diminished.
For this reason, the evening is not desirable to sort things out with someone or watching horror movies.
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