The idea of having hallucinations can be upsetting. Hallucinations are usually associated with serious mental conditions or with the effects of drugs. If you have an unexplained hallucination while ...

Hypnagogic hallucinations occur during the transition from wakefulness to sleep, specifically in stages 1 and 2 of deep sleep, without reaching the REM stage. In other words, these hallucinations pop ...

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 ...

A neuroscientist describes particular sleep disorders that occur while falling asleep and waking up. Hypnopompic hallucinations can happen with sleep paralysis, when body paralysis lingers during the ...

Medically reviewed by Valerie Cacho, MD Key Takeaways Sleep paralysis hallucinations happen when you’re waking up or falling ...