How to choose a suitable health mattress sleep?

Mattress, is indispensable in people's life, but, the mattresses on the market also has a variety of classification and quality, so how to choose the mattress, is indispensable in people's life, but, the mattresses on the market also has a variety of classification and quality, so how to choose the right health mattress sleep? Yali name below small make up for you is introduced: 1, the environmental protection: mattress environmental protection performance is very important, because every night mattress intimate contact with us, if you sleep mattress will also send out harmful gas, and in the your body, will cause symptoms for a long time, such as each organ dysfunction. 2, air permeability, one third of one's life time is spent in bed, in the process of sleep will discharge a lot of sweat. Part will infiltrate into the mattress, if the mattress is not breathe freely, sweat will precipitate into the mattress breeding mites and bacteria, easy to cause skin irritation, respiratory infections, severe cases can also lead to the spring deformation of rust inside the mattress, the end result in spinal deformity. 3, close degree: spine is a reverse 'S' shape, if you don't close the mattress, can let the body parts of impending, easy cause spinal deformity, severe cases will suffer from lumbar disc, strain of lumbar muscles, lumbar vertebra diseases such as bone hyperplasia. 4, supportive: people regardless of fat thin waist and hips are heavier, if the mattress support ability is not enough can lead to the waist hip excessive subsidence, easy to cause spinal deformity.