Reference Terms
from Wikipedia, the free encyclopedia
Nightmare
In common current usage, the term nightmare refers to dreams of particular intensity, with content that the sleeper finds disturbing, related either to physiological causes, such as a high fever, or to psychological ones, such as unusual trauma or stress in the sleeper's life.
Note: The above text is excerpted from the Wikipedia article "Nightmare", which has been released under the GNU Free Documentation License.
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