第三篇

• 1、

  Paragraph 2 ________

• 2、

  Paragraph 4 ________

• 3、

  Paragraph 5 ________

• 4、

  Paragraph 6 ________

• 5、

  To get a good night’s rest, people may not need to

• 6、

  Long sleepers are reported to be more likely to __

• 7、

  One of the sleep problems is waking in the middle

• 8、

  One survey showed that people who habitually _____