Learn more about hallucinations that may occur as you’re drifting off to sleep — plus, know when it’s time to speak with a doctor.

Neuroimaging suggests that people with borderline personality disorder who hear voices show distinct structural differences ...

When someone sees something that isn't there, people often refer to the experience as a hallucination. Hallucinations occur when your sensory perception does not correspond to external stimuli.

Hallucinations are internally generated sensory experiences. In short, the perception of something for which there is no stimulus. Given there is the addition of something present, this is considered ...

Hallucinations are unreal sensory experiences, such as hearing or seeing something that is not there. Any of our five senses (vision, hearing, taste, smell, touch) can be involved. Most often, when we ...

People with Charles Bonnet syndrome (CBS) experience complex visual hallucinations that can seem very real. While there is no cure, people can take simple steps to reduce or sometimes stop their ...

In China, a particular species of edible mushroom causes hundreds of cases of hallucinations annually, as well as some delirium, dizziness, and mania. The hallucinations tend to be of tiny “elves” ...