Experts say that feeling_61_(sleep) around two or three o'clock in the afternoon is quite

Experts say that feeling_61_(sleep) around two or three o'clock in the afternoon is quite common and a quick sleep during the day is good for you and that your work will improve_62_a result.

Researchers from Japan's Centre for Mental Health studied the sleeping_63_(habit) of 24 workers.Twelve lucky workers_64_(tell) to take a nap in the afternoon and_65_other twelve had to continue working.The researchers then did some tests on all the workers to find out how efficient they were.The results showed that the people who had been allowed_66_(take)a nap scored about 10 per cent_67_(high) on the tests than those who had not been allowed any sleep at all.The researchers continued with their tests for several hours_68_discovered that the "sleepers" still performed better in the tests_69_(do) two or three hours later.

So,the next time you feel tired in class and want to take a nap,just_70_(explain) to your teacher that you will get much mare done when you wake up.

61.sleepy      62.as            63.habits       64.were told        65.the 

66.to take      67.higher        68.and          69.done               70.explain