... Greene and Siegel (2004), as a period of rest by during which an individuals experience declines in consciousness, motor output and responsiveness to stimuli from their surrounding environment. Sleep is often believed to be an important aspect of daily functioning, a viewpoint most likely originating from the fact that the average person will spend almost a third of their life in a state of sleep ... a state of REM sleep, an individual will first progressively backtrack through stages three and two until they reach stage one "emergent." At this stage of sleep we are believed to be more ...

• Word Count: 3321
• Approx Pages: 13
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• Grade Level: Graduate