Sleep and your_brain.
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Sleep and your_brain.

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Sleep and your_brain. Sleep and your_brain. Presentation Transcript

  •  We apparently spend one third of our lives doing nothing If you take a look at what is happening inside of your brain, however, you will find quite a different situation When we sleep well, we wake up feeling refreshed and alert for our daily activities. Sleep affects how we look, feel and perform on a daily basis, and can have a major impact on our overall quality of life
  •  Why does sleep matter? We sleep for 1/3 of our lives, so it must be important. Yet scientists are only starting to understand it. “The brain is in a constant state of tension between cells and chemicals that try to put you to sleep and cells and chemicals that try to keep you awake.”(Brain)
  •  The brain is def not inactive while you are sleeping. Neurons are busy working all night The neurons of your brain show strong rhythmical activity when youre asleep › perhaps replaying what you learned that day
  •  Sleep patterns vary from person to person If you are a morning person, you are among the 10% of people. If you are a night person, you are among 20% of the people. If you arent really either of these, you are among 70% of the people
  •  Have you ever gone to sleep with something on your mind, then woke up knowing the answer? Sleep actually can help boost learning significantly. The phrase “Let’s sleep on it” is such a great help!
  •  Sleep Loss tears down all of the thinking in your brain including: › Attention › Functioning › Memory › Skills › Math › Logical reasoning
  •  Eventually, sleep deprivation can mess up your motor skills such as walking. “Studies suggest that sleep loss and fatigue result in significant neurobehavioral impairments in healthy young adults.”(Univ.)
  •  “This is when NREM begins that is 75% of your sleep.” (How) It has 4 stages. Stage 1 : › Between being awake and falling asleep › Light sleep
  •  Stage 2 : › Becoming disengaged from surroundings › Breathing and heart rate are regular › Body temperature drops (so sleeping in a cool room is helpful)
  •  Stage 3 & 4 : › Deepest and most restorative sleep › Blood pressure drops › Tissue growth and repair occurs › Hormones are released, such as: Growth hormone, essential for growth and development, including muscle development
  •  After the NREM sleep happens, it turns into REM sleep which takes up 25% of your sleep. This stage: › Provides energy to brain and body › Brain is active and dreams occur › Body becomes immobile and relaxed, as muscles are turned off › Eyes dart back and forth
  •  “REM sleep may constitute a protoconscious state, providing a virtual reality model of the world that is of functional use to the development and maintenance of waking consciousness” (Hobson).
  •  This video describes why your brain needs a nap every once in a while. http://youtu.be/m_PiKXwGmo8 “People vary in how much sleep they need and when they prefer to get it, but the biological drive for an afternoon nap is universal.” (Brain)
  •  "How Sleep Works | National Sleep Foundation - Information on Sleep Health and Safety."National Sleep Foundation - Information on Sleep Health and Safety | Information on Sleep Health and Safety. National Sleep Association, 2011. Web. 13 Feb. 2012. <http://www.sleepfoundation.org/primary-links/how-sleep-works>. › This website gave me some really useful information about the NREM sleep and the REM sleep. Hurd, Ryan. "Scientists Now Think That Light Sleep Might Not Be So Bad For Your Memory - Business Insider." Featured Articles From The Business Insider. 11 Aug. 2011. Web. 13 Feb. 2012. <http://articles.businessinsider.com/2011-08-11/home/30092355_1_rem- declarative-memory-light-sleep>. › This website gave me a good picture of what the two stages of sleep really looked like. I have the picture of the two brains going under the two different types of activity. "Brain Rules: How Our Brain Works?" Squidoo : Welcome to Squidoo. Web. 13 Feb. 2012. <http://www.squidoo.com/brain_rules>. › This article gave me some really useful information about what your brain is doing while you are sleeping.
  •  University of Pennsylvania School of Medicine. "Sleep Loss and Fatigue in Residency Training, September 4, 2002, Veasey Et Al. 288 (9): 1116 — JAMA." JAMA, the Journal of the American Medical Association, a Weekly Peer-reviewed Medical Journal Published by AMA — JAMA. Web. 13 Feb. 2012. <http://jama.ama- assn.org/content/288/9/1116.short> › This peer reviewed article gave me some great information about what happens when you don’t get enough sleep.• Hobson, Allan. "REM Sleep and Dreaming: Towards a Theory of Protoconsciousness."Nature Reviews. Nature Events Directory 2012. Web. <http://www.nature.com/nrn/journal/v10/n11/authors/nrn2716.html>. • This peer reviewed article gave me very good information about dreams and what happens when you are in the REM state of sleeping.