Share
Blog
Print
Email
BookmarkIn 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.
The occasional body movements seen in nightmares may have a use in awakening the sleeper, thus helping to avoid the frightening dream-situation..
For more information about the topic Nightmare, read the full article at Wikipedia.org, or see the following related articles:
Separation anxiety disorder — Separation anxiety disorder (or simply separation anxiety) is a psychological condition in which an individual has excessive anxiety regarding ... > read more
Night terror — A night terror, also known as sleep terror or pavor nocturnus, is a parasomnia sleep disorder characterized by extreme terror and a temporary ... > read more
Rapid eye movement — Rapid eye movement (REM) is the stage of sleep characterized by rapid saccadic movements of the eyes. During this stage, the activity of the brain's ... > read more
Narcolepsy — Narcolepsy is a neurological condition characterized by severe fatigue, irresistible episodes of sleep and general sleep disorder. The main ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Nightmare at Wikipedia.org. See the Wikipedia copyright page for more details.
