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:
“John Anderson my jo, John,
We clamb the hill the gither;
And mony a canty day, John,
We’ve had wi’ ane anither:
Now we maun totter down, John,
And hand in hand we’ll go;
And sleep the gither at the foot,
John Anderson my Jo.”
—Robert Burns (1759–1796)