Listening Comprehension Advanced: One More Reason To Get A Good Night's Sleep

Instructions: Listen to the talk about sleep and answer the following questions.

Video link: http://www.ted.com/talks/jeff_iliff_one_more_reason_to_get_a_good_night_s_sleep/citations#t-656964

1. How much of our life is spent sleeping?


2. Who was Galen and what did he propose?


3. What happens to the mind if we don’t sleep?


4. According to the speaker, the brain is “an elegant design solution to” what?


5. What is “especially critical” in the brain?


6. What solves the nutrient delivery problem?


7. Which solution is unique to the brain?


8. What surprising difference is there between the awake brain and the sleeping brain?


9. What is the connection between sleep and Alzheimer’s Disease?


10. What analogy does the speaker make between our houses and our brains?