• Choose the missing prepositions from the drop-down menus below.
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.

   at      at      for      from      in      in      of      of      of      of      of      of      of      of      of      on      with  
New research shows that many people are not sleeping enough and that this is having a serious impact health. Professor Matthew Walker the Center Human Sleep Science the University California warned that a "catastrophic sleep-misfortune plague" was putting people danger ill health. He said a continued lack sleep was putting people risk from a large number of possibly fatal diseases. Professor Walker said people need eight hours sleep a night to stay healthy. He continued that people who don't sleep enough will have a shorter life. Walker said the effect not sleeping enough negatively impacts every single aspect our health and every part of our body.

Professor Walker warned that a lack sleep is linked to debilitating diseases such as Alzheimer's, cancer, heart disease, obesity and diabetes. He warned that we are a dangerous situation whereby we do not fully understand the very serious, "catastrophic" consequences not getting eight hours a night. He gave several reasons why we are sleeping less. He said: "First, we electrified the night. Light is a profound degrader our sleep." He also blamed longer working hours and longer commuting times, a desire to be friends more rather than sleep, mobile devices, and the increased availability alcohol and caffeine. He also blamed anxiety and said: "We're a lonelier, more depressed society."

Back to the sleep lesson.

Share this lesson

More Free Sites by Sean Banville

Online Activities