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Accompanying hallucinations
Many report hallucinations during episodes of sleep paralysis. The features of these hallucinations generally vary by individual, but some are more common to the experience than others:
Most common
Vividness *
Fear *
Common
Sensing a "presence" (often malevolent) *
Pressure/weight on body (especially the chest). See for example the painting in the beginning of this article. *
A sensation of not being able to breathe *
Impending sense of doom/death *
Fairly common
Auditory hallucinations (often footsteps or indistinct voices, or pulsing noises). Auditory hallucinations which are described as noise instead of hallucinations of legible sounds, are often described to be similar to auditory hallucinations caused by Nitrous Oxide by persons who have experienced both. *
Visual hallucinations such as lights, people or shadows walking around the room *
Less common
Floating sensation (sometimes associated with out-of-body experiences) *
Seemingly seamless transition into full hallucinations or dreaming, also associated with out-of-body experiences *
Tactile hallucinations (such as a hand touching or grabbing) *
Rare
Falling sensation *
Vibration *
Involuntary movements (sometimes the feeling of sliding off of the bed or even up walls).[/b]
