سلام دوستان این متن استاندارد کنکور سراسریه البته سطحش زیاد سخت نیست.

What happens if you do not get enough sleep? Randy Gardner a high school student in the United States wanted to find out. He designed an  experiment on the effects of sleeplessness for  a school science project. With doctors watching him carefully , gardener stayed awake for 264 hours and 12 minutes . that s 11days and nights without sleep!

What effect did sleeplessness  have on Gardner ? after 24 hours without sleep, Gardner started having trouble reading and watching television. . the words and pictures were too blurry  .

By the third day, he was having trouble doing things with his hands. By the fourth day , Gardner was hallucinating . for example, when he see a street sign , he thought it was a person. He also imagined he was a famous football player . over the next few days ,Gardner s speech became so slurred that people could not understand him . he also had trouble remembering  things. By the eleventh day, Gardner  could not pass a counting test . in the middle of the test  he simply  stopped counting. He could not remember what he was doing .

When Gardner  finally  went to bed, he slept for 14 hours and 45 minutes . the second night he slept   for twelve hours , the third night he slept for ten and one-half hours , and by the fourth night , he had returned to his normal  sleep schedule

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