None Provided23 dream, mental activity associated with the rapid-eye-movement (REM) period of sleep. It is commonly sour up of a number of visual images, scenes or besidesughts pose in terms of seeing rather than in those of the opponent senses or in words. Electroencephalograph studies, measuring the electrical activity of the schooling ability during REM sleep, have shown that young adults dream for 1 1/2 to 2 hours of every 8-hour period of sleep. Infants slide by an mean(a) of 50% of their sleep in the REM phase (they ar believed to dream more often than adults) a figure which decreases steadily with age.
During dreams, blood pressure and heart rate increase, and breathing is quickened, tho the body is otherwise immobile. Studies have shown that sleepers deprived of dream-sleep are in all probability to become irritable and lose coordination skills. Unusually frightening dreams are called nightmares, and daydreams are constructed fantasies that occur while the individual is awake. S...If you want to sheer forth a full essay, order it on our website:
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