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Select the following true statements about sleep, according to this module’s videos.

6. Select the following true statements about sleep, according to this module’s videos.

  • Taking a test without getting enough sleep means you are operating with a brain that’s got metabolic toxins floating around in it—poisons that make it so you can’t think very clearly. 
  • When you sleep, your brain cells shrink, which allows toxins to be more easily washed away.
  • Dreaming about something doesn’t improve your ability to understand it.
  • Sleep has been shown to make a remarkable difference in your ability to figure out difficult problems and to understand what you are trying to learn.
  • It’s better to go without sleep and cram what you can into your brain–you can usually rely on short-term adrenaline to help propel you through a test.