Question
Which of the following pieces of information, if added to the last paragraph (sentences 12-15), would best
support the writer's argument?
O Although common elsewhere, napping during the workday is not generally accepted in the United States.
O Other research suggests that insomnia may be hereditary.
O The industrial revolution and the invention of the light bulb also contributed to the demise of segmented
sleep.
O The afternoon slump that many workers experience is partly a result of the digestion of their lunches.