Variant 1 You could have come first and won the race if you … faster

27. It is clear from the text that the likelihood of living long is increased in people who...

A) get up late at the weekend to reach normal sleeping hours.

B) are always mentally alert in their work.

C) go to bed in time and do exercises to increase their brain power.

D) sleep seven or eight hours every night.

28. According to the text, which of the following statements is false?

A) More than 300 interviewees suffer from lack of sleep.

B) Little sleep effects badly on the fruitfulness of the work.

C) At night, when you are asleep, your brain is not active.

D) The majority of people do not get enough sleep on weekdays.