Brain waves are a measure of electrical changes that take place in our brain. They are measured with a monitoring machine called an EEG, or electroencephalograph. An EEG is a completely non-invasive test: it is not painful or uncomfortable, and involves sensors known as electrodes being placed along key points along the scalp. The electrodes relay the information that they gather about brain activity to a pen moving along a moving sheet of paper. The end result is very similar to what we have seen in crime dramas when a suspect is given a polygraph – or lie detector – test: lines that move up and down in varying heights and rhythms that sleep scientists are able to read and interpret. These lines reflect our brain’s activity level, and are called brain waves. Continue reading
Six air chamber technology with separate lumbar adjustment ensures personalized comfort for each side of the bed.
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