It is considered that lack of sleep is extremely negative impact on health. However, recent survey, whose results were published in the journal Biological Psychiatry, suggest otherwise. It turns out that lack of sleep helps the brain to protect the owner from the frightening memories.

This shows that sleep plays an important role in memory consolidation. Meanwhile, not all memories are really good. An important component of anxiety disorders are the memories associated with fear. This is especially true in patients with post-traumatic stress disorder. It turns out, for lack of sleep, during which the consolidation takes place, you can protect yourself from the traumatic experience.

This view was tested during the experiment. Scientists led by Dr. Keniti curiae gathered a group of healthy volunteers. They all showed the videos with the machine. In some commercials car was traveling on the road without any problems, while others - find themselves in a terrible accident. Then half of the volunteers were sleep schedule, which leads to lack of sleep.

Final tests showed: a lack of sleep led to the fact that the bad memories associated with the accident, simply disappeared from the consciousness of man can not be said about the participants who had normal sleep.