Sleep Stages
Title: Sleep Stages
Category: Science & Technology
Details: Words: 784 | Pages: 3.3 (approximately 235 words/page)
Sleep Stages
Sleep Occurs in Four Stages
During the sleep, homeostasis will fluctuate because sleep occurs on four stages (Davidmann 1998). The individual goes from awake to Stage 1, then to 2, 3 and finally 4. After spending about twenty minutes in Stage 4, individuals return to Stage 1 and progress back to Stage 4. The individual will continue to make these cycles throughout their sleep. Most individuals will experience about 4 to 5 cycles a night (Davidmann, 1998). During Stage 1 the individual will experience what has been …showed first 75 words of 784 total…
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…showed last 75 words of 784 total…eyes. Scientists and theorists measure deep sleep by REM (Rapid Eye Movement). What they measure is the amount of time your eyes moves in Stage 4 sleep and also brain activity along with frequency. Once again much more arousal is needed to awaken a Stage 4 sleeper (Carskadon 14-19).
Carskadon, Mary. “Stages of Sleep”. Encyclopedia of Sleep. 1993 Ed.
Davidmann. Manfred. “How the Human Brain Developed and How the Human Mind Works”. http://www.solbaram.org/articles/humind.html. 1998.
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