Sleep & Dreaming

From the Paper:

"This paper will examine the physiological and psychological interpretations of sleep and dreaming. Prior to the 1940s, scientists considered sleep to be "a passive phenomenon during which major elements of the brain rested" (Long, 1987, p. 796). It has since been discovered that the brain is actually very active during certain periods of sleep. Physiologists have noted two distinct cycles which occur in sleep: the slow wave sleep (SWS) cycle and the rapid eye movement (REM) cycle. During sleep, these two cycles alternate from one to the other approximately once every ninety minutes. During the SWS phase, the sleeper's brain wave patterns slow down dramatically. During the REM phase the brain wave patterns become so active at times that they resemble those of a person who is fully awake (Palca, 1989, p. 352)."

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