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. ... " At this stage of sleep we are believed to be more or less oblivious to all external stimuli and are said to be in a state of deep relaxation or paralysis. ... It is the combination of both the significant quantity of total sleep represented by these sleep states and the differences in their contribution towards total sleep time which have led researchers to believe that each play...

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