Sleepwalking,like Night Terrors,is Experienced Most Often by Children

Sleepwalking,like night terrors,is experienced most often by children.Another similarity between sleepwalking and night terrors is that:

A) it is impossible to awaken a person while they are sleepwalking or having night terrors.
B) it is easy to awaken a person while they are sleepwalking or having night terrors.
C) sleepwalking and night terrors occur in stages 3 and 4,or the slow wave sleep.
D) people awaken themselves during the sleepwalking or night terrors.