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Science

Submission + - The Brain's Secret for Sleeping Like a Log (wired.com)

An anonymous reader writes: Why can some people sleep through anything? According to this article in Wired Science, some lucky people have a bonus helping of a certain kind of brain static that essentially blocks out noise and other stimuli. These "sleep spindles" can be detected via EEG, and show up as brief bursts of high-frequency brain waves; some people naturally produce more than others. The researchers say these spindles are produced by the thalamus, the brain region that acts as a waystation for sensory information. If the thalamus is busy producing sleep spindles, sensory information can't make it through the thalamus to the cortex, the perceptive part of the brain.
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The Brain's Secret for Sleeping Like a Log

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