UC Berkeley researchers find a unique brain ‘noise’ signature for dream sleep

Sally Dowd/File
A recent study discovered that observing the electrical activity of an individual's brain can reveal the state of their sleep, which could have significant implications in the medical field, specifically in anesthesiology.

When people sleep, an electrical “noise” in their brains can reveal whether or not they are dreaming, according to a July 28 study led by campus researchers.
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