Research source

Take first the degree of control over the voluntary muscles

Date of account: Published 1903
Source: Human Personality and Its Survival of Bodily Death
Reference: Human Personality and Its Survival of Bodily Death · selected passage 86
Rights: public_domain
Language: English
Record updated: 2026-08-24

Record summary

Published source text

Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.

Source passage

Source text · mention only

Take first the degree of control over the voluntary muscles. In ordinary sleep this is neither possessed nor desired; in nightmare its loss is exaggerated, in quasi-hysterical fashion, into an appalling fear; while in somnambulism,--a kind of new personality developed _ad hoc_,--the sleeper (as we shall see later on) walks on perilous ridges with steady feet. I have already said that morbid somnambulism bears to sound sleep a relation something like that which hysteria bears to normal life. But between the healthy somnambulist and the subject of nightmare we find from another point of view a contrast resembling that between the man of genius and the hysteric. The somnambulist, like the man of genius, brings into play resources which are beyond ordinary reach. On the other hand, just as in many hysterics certain ordinary powers of movement have lapsed below voluntary control, so also the dreamer who dimly wishes to move a constrained limb is often unable to send thither a sufficient current of motor energy to effect the desired change of position.

Historical context

Contextual commentary · mention only

This comes from historical psychical research. Methods, witness handling and standards of evidence differ from present-day research and should be assessed from the cited passage and edition.

Modern context

Contextual commentary · mention only

The passage can support a history of claims and recurring descriptions. It does not establish a paranormal mechanism, and competing psychological, social and physical explanations remain relevant.

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