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A RE Y OU D REAMING?

A RE Y OU D REAMING?. The Adaptation of Sleep. Generating Questions. Sleep Dreams What do you think? Why do humans dream?. Current Theories. 1. Physiological stimulations 2. Psychologically necessary 3. Combination of physiology & psychology. Dream Facts. 5 to 20 minutes

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A RE Y OU D REAMING?

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  1. ARE YOU DREAMING? The Adaptation of Sleep

  2. Generating Questions • Sleep • Dreams What do you think? Why do humans dream?

  3. Current Theories 1. Physiological stimulations 2. Psychologically necessary 3. Combination of physiology & psychology

  4. Dream Facts • 5 to 20 minutes • Not just black and white • Several dreams a night • People blind from birth dream with other senses • When people are snoring, they're not dreaming. • Elephants sleep standing up during non-REM sleep, but lie down for REM sleep.”

  5. Effects of too little sleep • Skipping one night's sleep…cranky/clumsy • Two nights of no sleep…problems thinking/doing normal tasks • Five nights without sleep…hallucinations • Eventually…brain cannot give directions to the rest of the body

  6. Sleep Requirements

  7. Voluntary or Involuntary?

  8. Adaptation • Are sleep & dreaming adaptive? • Is human sleep unique?

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