title: Patterns of sleep and the noradrenergic neurotransmitter system in the elderly and the demented.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000175:diagnosis; D003704:Dementia / Q000175:diagnosis*; D004569:Electroencephalography; D006801:Humans; D018377:Neurotransmitter Agents / Q000502:physiology*; D009638:Norepinephrine / Q000032:analysis*; D012890:Sleep / Q000502:physiology*
chemical_list: D018377:Neurotransmitter Agents; D009638:Norepinephrine