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.
Stage N2 is the equivalent to the R and K stage II. It is characterized by the presence of sleep spindles and K complexes on a background of low-amplitude, mixed frequency EEG activity. Sleep spindles are trains of higher frequency bursts that were named according to their shapes, which tend to have tapering ends.