Posted: June 17, 2012 by Wildcat in Uncategorized

medicalschool:

Sleep Quality May Be Tied to Covert Brain Wave

A type of brain activity known as an alpha wave emanates from the back of the head when a person is awake but relaxing with eyes closed. Scientists used to think that the wave was subdued and disappeared as a person fell deeper and deeper into sleep. But the alpha wave doesn’t disappear; it just goes undercover during sleep, researchers report online March 3 in PLoS One. The covert alpha wave may help determine how deeply people sleep and how much noise is needed to rouse a sleeper.

Read more of the WIRED Magazine Article

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