Of the myriad techniques Australians utilize to combat the effects of the omnipresent South Australian Sun, none pay as many dividends as the siesta. Combining the soothing temperatures of Eucalyptus shade with the minimized body heat produced in an unconscious state, the napper is able to pass through the hottest parts of the day in relative comfort.1

Some nappers opt to avoid the shade, and instead bathe in the harmful UV and UB rays provided by our local star.
Some further opt to avoid laying down at all, which is not a recommended strategy.
  1. Side effects include drowsiness and missing the race you came to spectate in the first place. []