Scientists talked about the harm of falling asleep to the sound of the TV

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The habit of falling asleep to the sounds of a working TV can have negative consequences for human brain activity. Conclusions on this matter were made by Austrian scientists representing the University of Salzburg. 

As part of their work, its authors decided to find out how the human brain reacts to other people's voices that sound in the background during sleep. For this, specialists used EEG, recording the brain activity of sleeping volunteers placed in a sound environment.

It turned out that unfamiliar voices were able to disrupt a greater number of k-complexes in the main organ of the central nervous system. This is the name given to special brain waves that are related to sensory perception during the rest period.

Familiar voices can also disrupt k-complexes, but in this case there is no significant change in brain activity related to the processing of sensory information.< /p>

During the night, a person can get used to a previously unknown voice, and then k-complexes behave less actively. This implies that even during sleep, the individual's brain does not stop learning and is able to adapt. Scientists believe that due to k-complexes, the body enters the “guard mode” in order to remain alert in case of changes in the environment.