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Sleep is a funny thing We’re taught that we should get seven or eight hours a night, but a lot of us get by just fine on less, and some of us actually sleep too much A study out of the University of Buffalo reported that people who routinely sleep more than eight hours a day and are still tired are nearly three times as likely to dir of stroke---probably as a result of an underlying disorder that keeps them from sleeping soundly Doctors have their own special sleep problems Residents are famously short of sleep It is not unusual for them to work 40 hours in a row without rest They are not in the least worried about it, confident they can still deliver the highest quality of medical care But an article in the Journal of the American Medical Association points out that in the morning after 24 hours of sleeplessness, a person’s motor performance is comparable to that of someone who is drunk Curiously, surgeons who believe that operating under the influence of alcohol is grounds for sacking often don’t think twice about operating without enough sleep “ I could tell you horror stories, ” says Jaya Agrawal, president of the American Medical Student Association, which runs a website for residents Some are terrifying “I was operating after being up for over 36 hours, “ one writes “ I literally fell asleep standing up and nearly planted my face into the wound” “ Practically every surgical resident I know has fallen asleep at the wheel driving home from work,” writes another “I know of three who have hit parked cars Another hit a ‘ Jersey gate’ on the New Jersey Expressway, going 105km/h” “Your own patients have become the enemy,” writes a third, because they are “the one thing that stands between you and a few hours of sleep” The US controls the hours of pilots and truck drivers But until such a system is in place for doctors, patients are on their own If you’re worried about the people treating you or a loved one, you should feel free to ask how many hours of sleep they have had and if more rested staffers are available 51 Sleep is a funny thing because ____________

多选题
2021-09-03 15:43
A、the longer one sleeps, the less sound sleep he gets
B、the more sleep one gets, the more likely a stroke occurs
C、many people stick to about eight hours of sleep to stay fine
D、many people who sleep six hours a night still feel energetic in the day
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正确答案
D@#@A@#@A@#@C@#@D@#@A

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Passage2People often complained about not gettinga good night's sleep,but sleep patterns differ from person to person. Most adults require six to eight hours of sleep to function well,while others survive on only a few hours. Still,most people today think of sleep as one continuous period of downtime. This is not the way people used to sleep. According to researchers in earlier times,people divided sleep by first sleep a few hours,waking up,then going back to sleep.Before the 18th century,people had no gas or electricity in their homes. Fire,candles,or oil lamps were the common forms of lighting. This lack of artificial lighting in homes contributed to people's sleep patterns. It made sense for people to go to bed early. If you live in this time period,you might be a hard-working farmer,and you would come home,eat and quickly fall into bed exhausted. You would probably go to sleep at 9:00 or 10:00 P.M. In this first period of sleep-called first sleep-you would typically sleep until midnight or shortly afterwards.Halfway through the night during a period some call the watch,or watching period. When you came out of first sleep,you would stay in bed and relax quietly. You might talk with a bedfellow,meditate on the day's events or the meaning of a dream,or just let your mind wander. If you enjoyed writing or drawing,you might get out of bed to write a poem or story or draw a picture.Then you would start to feel sleepy, so would return to bed and fall asleep again for your second sleep. This period would continue until early morning when daylight arrived. Again, with no artificial lighting in homes, people naturally woke up early to take advantage of sunlight.Today, human may consider divided sleep a strange habit, but sleep researchers say that it is actually a more natural sleep pattern. Dr. Thomas Wehr of the U.S. National Institute of Mental Health has studied human sleep. He thinks that modern sleep problems occur because the orderly, natural way of sleep is breaking through the more recent continuous sleep pattern. Wehr and other scientists believe that artificial lighting has altered the way people sleep. In a research study, he asked 15 adults to rest and sleep in darkness for 14 hours(from 6:00 P.M. to 8:00 A.M.). At first, the subjects took a few hours to get to sleep, and then slept 11 hours a night. Then overtime, they switched to divided sleep. They fell asleep for about 3 or 5 hours in the evening, stay awake for an hour of two and then slept again for four hours till early morning.Unlike the people in the study, we modern humans generally do not practice divided sleep. However, many of us have the experience of waking up in the middle of the night. We usually consider this a sleeping problem, but perhaps we should look at it as natural behavior. Divided sleep may be the way we should all be sleeping. A first sleep followed by a relation period and a second period of sleep could help all of us to beat the stress of our fast-paced lives.Which of the following is NOT true according to the text?
Passage2People often complained about not gettinga good night's sleep,but sleep patterns differ from person to person. Most adults require six to eight hours of sleep to function well,while others survive on only a few hours. Still,most people today think of sleep as one continuous period of downtime. This is not the way people used to sleep. According to researchers in earlier times,people divided sleep by first sleep a few hours,waking up,then going back to sleep.Before the 18th century,people had no gas or electricity in their homes. Fire,candles,or oil lamps were the common forms of lighting. This lack of artificial lighting in homes contributed to people's sleep patterns. It made sense for people to go to bed early. If you live in this time period,you might be a hard-working farmer,and you would come home,eat and quickly fall into bed exhausted. You would probably go to sleep at 9:00 or 10:00 P.M. In this first period of sleep-called first sleep-you would typically sleep until midnight or shortly afterwards.Halfway through the night during a period some call the watch,or watching period. When you came out of first sleep,you would stay in bed and relax quietly. You might talk with a bedfellow,meditate on the day's events or the meaning of a dream,or just let your mind wander. If you enjoyed writing or drawing,you might get out of bed to write a poem or story or draw a picture.Then you would start to feel sleepy, so would return to bed and fall asleep again for your second sleep. This period would continue until early morning when daylight arrived. Again, with no artificial lighting in homes, people naturally woke up early to take advantage of sunlight.Today, human may consider divided sleep a strange habit, but sleep researchers say that it is actually a more natural sleep pattern. Dr. Thomas Wehr of the U.S. National Institute of Mental Health has studied human sleep. He thinks that modern sleep problems occur because the orderly, natural way of sleep is breaking through the more recent continuous sleep pattern. Wehr and other scientists believe that artificial lighting has altered the way people sleep. In a research study, he asked 15 adults to rest and sleep in darkness for 14 hours(from 6:00 P.M. to 8:00 A.M.). At first, the subjects took a few hours to get to sleep, and then slept 11 hours a night. Then overtime, they switched to divided sleep. They fell asleep for about 3 or 5 hours in the evening, stay awake for an hour of two and then slept again for four hours till early morning.Unlike the people in the study, we modern humans generally do not practice divided sleep. However, many of us have the experience of waking up in the middle of the night. We usually consider this a sleeping problem, but perhaps we should look at it as natural behavior. Divided sleep may be the way we should all be sleeping. A first sleep followed by a relation period and a second period of sleep could help all of us to beat the stress of our fast-paced lives.What conclusion does the writer make about divided sleep?
Passage2People often complained about not gettinga good night's sleep,but sleep patterns differ from person to person. Most adults require six to eight hours of sleep to function well,while others survive on only a few hours. Still,most people today think of sleep as one continuous period of downtime. This is not the way people used to sleep. According to researchers in earlier times,people divided sleep by first sleep a few hours,waking up,then going back to sleep.Before the 18th century,people had no gas or electricity in their homes. Fire,candles,or oil lamps were the common forms of lighting. This lack of artificial lighting in homes contributed to people's sleep patterns. It made sense for people to go to bed early. If you live in this time period,you might be a hard-working farmer,and you would come home,eat and quickly fall into bed exhausted. You would probably go to sleep at 9:00 or 10:00 P.M. In this first period of sleep-called first sleep-you would typically sleep until midnight or shortly afterwards.Halfway through the night during a period some call the watch,or watching period. When you came out of first sleep,you would stay in bed and relax quietly. You might talk with a bedfellow,meditate on the day's events or the meaning of a dream,or just let your mind wander. If you enjoyed writing or drawing,you might get out of bed to write a poem or story or draw a picture.Then you would start to feel sleepy, so would return to bed and fall asleep again for your second sleep. This period would continue until early morning when daylight arrived. Again, with no artificial lighting in homes, people naturally woke up early to take advantage of sunlight.Today, human may consider divided sleep a strange habit, but sleep researchers say that it is actually a more natural sleep pattern. Dr. Thomas Wehr of the U.S. National Institute of Mental Health has studied human sleep. He thinks that modern sleep problems occur because the orderly, natural way of sleep is breaking through the more recent continuous sleep pattern. Wehr and other scientists believe that artificial lighting has altered the way people sleep. In a research study, he asked 15 adults to rest and sleep in darkness for 14 hours(from 6:00 P.M. to 8:00 A.M.). At first, the subjects took a few hours to get to sleep, and then slept 11 hours a night. Then overtime, they switched to divided sleep. They fell asleep for about 3 or 5 hours in the evening, stay awake for an hour of two and then slept again for four hours till early morning.Unlike the people in the study, we modern humans generally do not practice divided sleep. However, many of us have the experience of waking up in the middle of the night. We usually consider this a sleeping problem, but perhaps we should look at it as natural behavior. Divided sleep may be the way we should all be sleeping. A first sleep followed by a relation period and a second period of sleep could help all of us to beat the stress of our fast-paced lives.What is the main idea of the text?
Passage2People often complained about not gettinga good night's sleep,but sleep patterns differ from person to person. Most adults require six to eight hours of sleep to function well,while others survive on only a few hours. Still,most people today think of sleep as one continuous period of downtime. This is not the way people used to sleep. According to researchers in earlier times,people divided sleep by first sleep a few hours,waking up,then going back to sleep.Before the 18th century,people had no gas or electricity in their homes. Fire,candles,or oil lamps were the common forms of lighting. This lack of artificial lighting in homes contributed to people's sleep patterns. It made sense for people to go to bed early. If you live in this time period,you might be a hard-working farmer,and you would come home,eat and quickly fall into bed exhausted. You would probably go to sleep at 9:00 or 10:00 P.M. In this first period of sleep-called first sleep-you would typically sleep until midnight or shortly afterwards.Halfway through the night during a period some call the watch,or watching period. When you came out of first sleep,you would stay in bed and relax quietly. You might talk with a bedfellow,meditate on the day's events or the meaning of a dream,or just let your mind wander. If you enjoyed writing or drawing,you might get out of bed to write a poem or story or draw a picture.Then you would start to feel sleepy, so would return to bed and fall asleep again for your second sleep. This period would continue until early morning when daylight arrived. Again, with no artificial lighting in homes, people naturally woke up early to take advantage of sunlight.Today, human may consider divided sleep a strange habit, but sleep researchers say that it is actually a more natural sleep pattern. Dr. Thomas Wehr of the U.S. National Institute of Mental Health has studied human sleep. He thinks that modern sleep problems occur because the orderly, natural way of sleep is breaking through the more recent continuous sleep pattern. Wehr and other scientists believe that artificial lighting has altered the way people sleep. In a research study, he asked 15 adults to rest and sleep in darkness for 14 hours(from 6:00 P.M. to 8:00 A.M.). At first, the subjects took a few hours to get to sleep, and then slept 11 hours a night. Then overtime, they switched to divided sleep. They fell asleep for about 3 or 5 hours in the evening, stay awake for an hour of two and then slept again for four hours till early morning.Unlike the people in the study, we modern humans generally do not practice divided sleep. However, many of us have the experience of waking up in the middle of the night. We usually consider this a sleeping problem, but perhaps we should look at it as natural behavior. Divided sleep may be the way we should all be sleeping. A first sleep followed by a relation period and a second period of sleep could help all of us to beat the stress of our fast-paced lives.What is the main purpose of paragraph 2~4?
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