Hollister, NC Profile: Facts, Map & Data. Hollister, North Carolina - Basic Facts. The Hollister Census Designated Place had a population of 663 as of July 1, 2016. Hollister ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in North Carolina. See peer rankings below.
Stage N2 sleep is scored when either one or more K complexes is noted (and unassociated with an arousal) or one or more trains of sleep spindles appear. Stage N2. Note K complexes unassociated with arousal and trains of sleep spindles.
NREM sleep can be broken down into three distinct stages: N1, N2, and N3. In the progression from stage N1 to N3, brain waves become slower and more synchronized, and the eyes remain still. In stage N3, the deepest stage of NREM, EEGs reveal high-amplitude (large), low-frequency (slow) waves and spindles.