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:
“Although sleep pressed upon my closing eyelids, and the moon, on her horses, blushed in the middle of the sky, nevertheless I could not leave off watching your play; there was too much fire in your two voices.”
—Propertius Sextus (c. 50–16 B.C.)