The Seleção have altered their training regime to help them prepare for Saturday"s match in the afternoon heat.
Luiz Felipe Scolari"s side will take on a strong Chile team at 13:00, and the players have revealed that they are working to adapt to an early kick off.
Willian told the media: “We will play at a different time. We have to adapt quickly. [At that] time it will be very hot. We are training earlier to adapt to play well."
Luiz Gustavo added: “I particularly have never played at 13:00. For me in my case I usually wake up early and it is not the greatest difficulty. It"s an unusual time for the match and we have to adapt to be 100%."