An efficient mattress should give proper support to the weight of the body properly. Place the mattress on a support and quality of the same size. For those who rests his back to prefer a more firm mattress who holds the back. The choice of Mattresses subjective and depends primarily on the position in which we rest. Good sleep allows us to get refreshed: the first good sleep depends on the mattress. If you have the habit of sleeping lying on one side choose a more soft mattress, where the shoulder can sink. The mattresses are made to turn heads feet twice a month in the first three months, in order that they find a settlement. To be sure to buy a mattress that will satis our advice to try it for ten minutes. We spend a third of our lives asleep, which is why the purchase of mattresses so important. After buying the mattress, we have to keep in time.