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:
“Sweet is the sleep of laborers, whether they eat little or much; but the surfeit of the rich will not let them sleep.”
—Bible: Hebrew, Ecclesiastes 5:12.