article_snippet: In big cities, the availability of cheap electricity has brought us both artificial lighting and a multitude of other electronic devices that compete with us going to sleep at night,' said lead author Dr Malcolm von Schantz from the University of SurreySurrey. '
article_snippet: The researchers believe  the difference is due to town residents following much less of a natural sleep/wake cycle because of the influence of artificial lighting. '
article_snippet: Town residents follow less of a natural sleep/wake cycle because of the influence of artificial lighting (stock image)
highlights_snippet: This is despite having access to the same electricity as urban neighbours .
  