A sleep spindle is a burst of oscillatory brain activity visible on an EEG that occurs during stage 2 sleep. It consists of 12–14 Hz waves that occur for at least 0.5 seconds.
Read more about Sleep Spindle: Function
Famous quotes containing the word sleep:
“smashing the windows of sleep and dream
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a whiteness scattering
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for man’s eyes.”
—Denise Levertov (b. 1923)