Patients with Lewy body dementia can sometimes be aware that their hallucinations or false beliefs are not real.

“both of these patients were like i see things that aren't there and it drives me crazy like they knew you know this one woman has people all over her living room and she can't find a piece of furniture to sit down on because these people are sitting there and she knows they're not real but yet she feels like she has to ask them to move in order to sit on her own furniture but she was insightful enough to be able to say i know they're not there and i know my family members don't see them so it's really variable”