問題詳情：
People who spend more pre-bedtime hours using the Internet or watching television are more likely to report that they don’t get enough sleep, even though they sleep almost as long as people who spend fewer pre-bedtime hours in front of a computer or television screen, survey findings show.
“While many people use electronic media, such as the Internet, it should be noted that the longer media use before sleep can trigger (self-perceived) insufficient sleep,” lead researcher Dr Nakamori Suganuma, of Osaka University, Japan, told the reporter.
He and colleagues obtained data on self-perceived sleep problems and the use of electronic media prior to bedtime from a total of 5,875 Japanese respondents in two separate Internet-based surveys. Their findings are published in the journal Sleep and Biological Rhythms.
Nearly half of the respondents associate d their lack of sleep with electronic media use before bedtime. Those reporting longer electronic media use were also more likely to report insufficient sleep.
Overall, 29 percent of light users (less than 1.5 hours) listed electronic media use as a possible cause of their insufficient sleep. By comparison, 40 percent of medium users (1.5 to 3 hours) and 54 percent of heavy users (more than 3 hours) said the same.
However, longer Internet and television use before bedtime did not correlate with less actual sleep. While heavy users averaged about 3 more hours in front of computer or television screens than light users, the heavy users averaged only about 12 minutes less pre- workday sleep time than light users.
Notably, Suganuma said, “Internet use affected self-perceived insufficient sleep more
than TV watching ... not only in younger Internet users but also in middle-aged or aged Internet users.”
Up to 38 percent of the respondents listed accessing the Internet far into the night as a possible cause for their sleep disturbance, while about 25 percent said watching. television far into the night caused their sleep problems.
The findings suggest that while heavy computer and television use before bedtime has a small effect on sleep duration, it may have a more significant effect on “sleep demand and sleep quality,” Suganuma notes.
42. Heavy computer and television user before bedtime are more likely to be than light ones.
A. energetic B. happy C. accessible D. sleepy
43. Which of the following statements is true according to the passage?
A. Heavy computer and television user before bed time have less sleeping time than light ones
B. Heavy computer and television user before bed time have worse sleep than light ones.
C. Those suffering insufficient sleep spend less time in using the Internet than in watching
TV
D. Spend less time in watching TV or surfing the Internet, and you will have a better sleep.
44. The passage seems to suggest that people .
A. drag themselves away from the media
B. watch TV rather than use the Internet
C. select carefully what is fit for bedtime relaxation
D. cut back on late-night Internet and TV
45. Which of the following phrases is similar in meaning to the underlined phrase in the sixth paragraph?
A. have any connection with B. live in harmony with
C. arise from D. correspond with
【回答】
DBDA
知識點：科普環保類閲讀
題型：閲讀理解
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