Questão 2421566

Which option completes the paragraph below correctly?

ln places with electricity, artificial lighting has prolonged our experience of daylight, allowing us _____ productive for longer. At the sarne time, it has cut nighttime short, and so to get enough sleep we now have _____ it all in one go. Now, "normal" sleep requires forgoing the periods of wakefulness that used _____ up the night; we simply don't have time for a midnight chat with the neighbor any longer. "But people with particularly strong circadian rhythms continue _____ up in the night.

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