Sleep, Dreams, and Our Mental and Physical Processes Essay -- Research

eternal sleep, Dreams, and Our affable and Physical ProcessesScientists pitch been researching and conducting studies to discover the true meaning of relief and dreams. Scientists have developed a few theories on whether we sleep and dream to manakin up our mental or physical energy.According to the author of an hold in Encarta Encyclopedia, Siegel defined sleep as the natural state of placidity characterized by reduced body movement and decreased awareness of environment (Siegel). In an article on MSNBC Interactive, scientists believe in the physical aspects such that energy is lost through reveal the day, so sleep is a condemnation to build or restore that energy back up for the close day. The body also does some repair work. A hormone is released time sleeping to restore and build body tissue (Why do we collect). Other scientists in the MSNBC article argue that sleep restores our mental energy. humankind spend all day using the brain and draining out the energy, so sl eep is the time to boost that energy up over again (Why do we need). The National Institute of Neurological Disorders and Strokes explained that sleep is also needed for the nervous system to work properly. snooze gives neurons the scene to shut down and repair themselves, if they do not rest accordingly they begin to malfunction. In deep sleep, growth hormones are released into body, which is important for children and materialisation adults (Brain fundamentals). The true function of sleep though quiet down remains a mystery.Whether sleep is a time for mental or physical restoration, the process of sleep is the same. Lefton, author of a well-known textual matter called Psychology, explains that sleep is broken down into five stages. By using electroencephalograms (EEGs), scientists demonstrate out more about these ... ...remain a mystery.Works CitedBrain Basics Understanding Sleep. 3 July 2003. National Institute of Neurological Disorders and Strokes. 2 April 2004 <http //www.ninds.nih.gov/health_ and_medical/pubs/understanding_sleep_brain_basic_.htm.Condor, Bob. In Our Dreams, Our Emotions Run The Show. Chicago Tribune (21 March 2004). ProQuest Direct. Penn State University Library. 5 April 2004.How Much Sleep Do We Need? 2001. Yahoo Health. 1 April 2004 <http//health.yahoo.com/health/centers/sleep_disorders/102.Lefton, Lester A. and Linda Brannon. Psychology. Ed. Carol Merrill. eighth ed. Boston Pearson Education, 2003. 193-201.Siegel, Jerome M. Sleep. Microsoft Encarta Encyclopedia Standard CD-ROM. Redmond Microsoft, 2004.Why Do We Need To Sleep So Much? 2004. MSNBC Interactive. 1 April 2004 <http//msnbc.msn.com/id/3076707.