| Sleep Vocabulary | |||||||
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acetylcholine - a compound released from certain nerve endings which acts in the transmission of nerve impulses to excitable membranes alert - watchful; quick to perceive and act bad dreams - unpleasant and disturbing dreams, which, unlike nightmares, do not awaken sleepers bedding - material providing a bed and/or sleeping area blood pressure - pressure that is exerted by the blood upon the walls of the blood vessels and arteries body clock - the internal mechanism of the body that controls biological rhythms body temperature - the degree of heat that is natural to the body of a living being chiropractor - a doctor practicing a system of therapy which holds that disease results from a lack of normal nerve function and which employs manipulation and specific adjustment of body structures circadian rhythm (sleep clock/body clock) - a self-sustained biological rhythm which is normally synchronized to a 24-hour period; cyclic change in a physiological process that repeats at regular intervals. circulation - the movement of blood through the vessels of the body induced by the pumping action of the heart cognizance - alert; aware; able to focus attention coma - a state of deep unconsciousness caused by disease, injury, or poison consciousness - the or state of being awake and aware deficiency - a shortage of substances necessary to health; shortage. delta sleep - fourth stage of NREM sleep, which is the deepest and most restorative period of sleep. dream - an involuntary series of visual, auditory, or kinesthetic images, emotions and thoughts occurring in the mind during sleep, which take the form of a story, having the feeling of reality but lacking free will. dream dictionary - a reference book containing words usually alphabetically arranged along with information about their symbolism and meanings as related to dreaming dream interpretation - through application of this technique, dreams reveal themselves as a psychological structure, full of significance dream symbols - pictures or imagery said to carry certain meaning or symbolism in dreams EEG (electroencephalogram) - A recording of the electrical activity of the brain by means of electrodes placed on the surface of the head. With the EMG and EOG, the EEG is one of the three basic variables used to score sleep stages and waking
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