An Experimental Study Of Sleep by Boris Sidis - Bookswagon
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An Experimental Study Of Sleep

An Experimental Study Of Sleep


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International Edition


About the Book

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: Chapter II Theories of Sleep FROM the very earliest times man wondered about sleep and attempted some explanation of it. It was supposed that in sleep the soul wanders away from the body and leaves it in a lifeless condition. Many of the savage tribes are on that account afraid to waken people lest the soul may be frightened away and not return at all to the body. That is why even at present we often hear the saying that sleep is the companion of death. On the other hand death is often described as sleep. On the same basis dreams were explained by the primitive mind,— the soul in sleep leaves the body and wanders away; on its wanderings the soul meets with all kinds of adventures and it is such experience that gives rise to dreams. In sleep the wandering soul, not encumbered by the gross body, can visit great distances in a short time and can even communicate with heavenly powers,— with angels and gods. The impassive soul reluctant flies, Like a vain dream, to these infernal skies. Modern spiritualists adopt this ancient belief in full or express it as "the release of human personality from the subliminal." The scientific theories of sleep are numerous, but they can be reduced to a few main types. This reduction will help the reader to become oriented in the vast literature that has gathered about the subject. The theories of sleep may be classified as follows: 1) The Physiological theories, which may be sub divided into: a) Mechanical and b) Chemical 2) Pathological 3) Histological 4) Psychological 5) Biological The mechanical theories are of the circulatory variety and are usually much favored by physicians,— they attempt to explain sleep by changes in the blood circulation of the cerebrum. As far back as the eighteenth century the theory ...


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Product Details
  • ISBN-13: 9780548187609
  • Publisher: Kessinger Publishing
  • Publisher Imprint: Kessinger Publishing
  • Height: 229 mm
  • No of Pages: 116
  • Series Title: English
  • Weight: 394 gr
  • ISBN-10: 0548187606
  • Publisher Date: 25 Jul 2007
  • Binding: Hardback
  • Language: English
  • Returnable: N
  • Spine Width: 11 mm
  • Width: 152 mm


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