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Number of Pages 9
This research paper: 9 pages in length. Normal sleep patterns run in a four-step cycle, with Stage I being that of the hazy transitional period between consciousness and sleep, also known as drowsiness or presleep. This period lasts approximately ten minutes until Stage II commences, lasting another fifteen minutes or so. Stage III is recognizable by high-amplitude delta activity that ultimately turns into Stage IV. Stage IV, which typically begins an hour and a half after the initial sleep pattern has begun, is the stage in which many people have difficulty reaching. Existing experiments have determined that physiological standards within the sleeping subject have changed abruptly in the forty-five minutes that follow the onset of Stage IV. Indications of reaching this stage show how the EEG reading is maladjusted and the eyes flit from one side to the other in a rapid fashion, which is indicative of REM sleep. Bibliography lists 11 sources.
File: LM1_TLCSleepP.rtf
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