Creature Sleeps - Đáp án bài thi đọc hiểu

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The first experiments in recorded scientific history on the effects of people not getting enough sleep took place in the late 1800s.

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Studies of sleep patterns in some of the more remote areas of the world have also been a subject of interest amongst sleep researchers.

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The affect of sleep interruptions have also been a focal point of some sleep research. In urban societies, traffic and aircraft noise are often referred to as ‘the bane of urban existence’.

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A short sleeper is one who claims to be able to get by with only 4 or 5 hours of sleep per night.

Determining what makes up the differences between short and long sleepers has been difficult for researchers.

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What the drivers were having was a series of ‘micro-­sleeps’ – short periods of time of 10 to 20 seconds where they would be classified as being asleep.

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Sleep researcher Professor Stanley Limpton believes that 7 hours – the average amount of sleep most people get per night – is not enough. Limpton points out that the average person is now getting 2 hours less sleep than those who lived 100 years ago and contends that this lack of sleep is one of the main reasons so many people are often clumsy, unhappy, irritable and agitated.

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As the length of sleep deprivation increases, so too does the mental decline in an individual. Having studied a group of 3 sleep deprived people, sleep researcher Dr. Tim Oswald, concluded that chronic sleep deprivation often leads to drastic consequences. Oswald’s experiments reinstated the necessity of sleep for proper human functioning.

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Dr David Joske. secretary’ of the British Sleep Association believes that ‘genetically short sleepers may have some natural resistance to the effects of sleep deprivation but it is not entirely certain why some people seem to require more and others less՝.

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One summer, Dr. Peter Suedfeld traveled to the Arctic and conducted a series of research projects. All participants were required to get rid of all clocks, watches and any other timekeeping devices and conduct work and sleep according to their own ‘body dock’.

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Says Joske, ‘When we brought long and short sleepers into controlled environments which were dark and soundproof we found that all participants slept between nine and ten hours, which seemed to preclude the short sleeper category.’

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The participants emerged from the experiment in a depressed-like state after four days. Grimstead reported that participants had depression and mood scores similar to people with clinical depression…a reduction in certain performance tasks was also noted’.

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The participants emerged from the experiment in a depressed-like state after four days. Grimstead reported that participants had depression and mood scores similar to people with clinical depression…a reduction in certain performance tasks was also noted’.

The passage mentioned studies about all sides of sleep such as a lack of sleep, the quality of sleep, short sleepers and so on. The information such as the important of sleep, the effect of sleep, how much sleep we need… also mentioned in the passage; however, they are only in one or two paragraphs. Thus, the answer is B.