Linked from
The 9 pages that link to Locus coeruleus, each with the reason it gives.
NorepinephrineRelated: Its projections adjust arousal and attention across widespread brain regions.
PonsBroader topic: Its activity links this brainstem region to arousal and sleep-wake regulation.
OrexinRelated: Orexin excites these neurons to sustain cortical arousal.
WakefulnessBroader topic: Its activity helps tune arousal during wakefulness.