题目内容
Doctors commonly view too much daytime sleepiness as a most important sign of disturbed or inadequate sleep. But a new study suggests it could also signal depression or even diabetes (糖尿病) ,regardless of whether an individual doesn't sleep well.
Among a random sample of 16,500 men and women ranging in age from 20 to 100 years old from central Pennsylvania,8. 7 percent had too much daytime sleepiness.
Researchers,who considered a wide range of possible reasons for why these individuals were over sleepy during the daytime,found that too much daytime sleepiness was more strongly associated with depression and obesity (过度肥胖) or metabolic (新陈代谢的) factors than with sleepdisordered breathing or sleep disruption.
Depression was by far the most significant risk factor for too much daytime sleepiness,they report in the Journal of Clinical Endocrinology and Metabolism. The possibility of being over sleepy during the daytime was more than three times higher in those who reported they were being treated for depression.
T he investigators also observed strong ties between too much daytime sleepiness and diabetes. Individuals reporting treatment for diabetes were close to two times more likely to report too much daytime sleepiness than those who were not being treated for diabetes.
Being overweight also increased the possibility of too much daytime sleepiness.
Too much daytime sleepiness was more common in people younger than age 30 ,a finding that hints at the presence of unmet sleep needs and depression,and in the over-75 crowd,suggesting increasing medical illness and health problems,they explain.
Smoking also appeared as a risk factor for too much daytime sleepiness,a link that hasn't been shown before. It could be that smokers use nicotine which can make people more active for a time to selftreat their daytime sleepiness,the authors suggest.
Sleep apnea (呼吸暂停) was not a significant player in too much daytime sleepiness. This is in agreement with former studies that have reported only weak associations between sleep apnea and too much daytime sleepiness.
The authors conclude that adults bothered by too mtich daytime sleepiness should be thoroughly evaluated for depression and diabetes,regardless of whether or not sleepdisordered breathing is present.
( ) 1. Which of the following is more likely to cause too much daytime sleepiness?
A. Smoking. B. Obesity.
C. Depression. D. Disturbed sleep.
( ) 2. Which of the following statements is right?
A. Smoking can help people selftreat their daytime sleepiness.
B. Too much daytime sleepiness doesn't necessarily result from inadequate sleep.
C. People who suffer from depression are twice more likely to be over sleepy.
D. People under 30 who are over sleepy during the daytime are most likely over?weighted.
( ) 3. We can learn from paragraph eight that .
A. smoking may cause people to become more sleepy
B. many people can selftreat their daytime sleepiness
C. doctors didn't know the side effects of smoking before
D. nicotine can make people more active during the daytime
( ) 4. As a conclusion the writer tells us that if we have too much daytime sleepiness we should .
A. cut down the amount of smoking cigarettes
B. go to some specialist without delay
C. ignore it as it is a very common phenomenon
D. do more exercise to reduce sleepiness
1. C由第4段得知。
2. B从整篇来看,白天过度嗜睡并不一定是由睡眠不足引起的。
3. A由第8段得知。
4. B见文章最后一段,其他选项文中未提及,是自我想象的内容。