Good mattress should guarantee, people no matter what kind of posture, sleep can keep the spine straight stretch, people lie in the above all can fully relax.
Too soft mattress, people lay down the whole body will be dented, changed the human body normal spinal curve, spine bent or twisted, make relevant muscle, ligament is taut, long time not get sufficient relaxation and rest, to appear the waist sour leg pain feeling.
Too hard mattress lay just head, back, hips, heels on these four points under the pressure, other parts of the body and not fully implemented, the spine is in jiang's nervous state, not to rest the spine and the effect of muscle relaxation, woke up still have the feeling of tiredness did not disappear.
This mattress sleep after a long time can cause serious burden to the muscles and spinal, damage to health.
When choosing a mattress soft hard moderate, hand touch is not enough to distinguish the stand or fall of mattress, * and reliable method is to lie down and turn around to give it a try.
* * no good mattess, uneven, bedside subsidence or lined with mobile phenomenon.
Can also use the knee test bed, or in bed Angle to sit down and try mattresses can soon return to original state after compression, a highly flexible mattress, can immediately restorable after compression.
Good mattress can make the spine to keep natural stretch, and the shoulder, waist and hip joint completely, leaving no gaps.
Lie down on the mattress, the hand to the neck, waist and hip down to the thigh between this three obvious bending into horizontally, look have gap;
To turn over to one side, try it with the same method curve concave parts of the body and is there a gap between the mattress.
If the hand can easily penetration in the gaps, it indicates that the bed is too hard.
If the palm of your hand close to gap, it shows that the mattress in sleep with people of neck, back, waist, hip and leg closest match natural curve, the mattress is soft hard moderate, suitable for the body to rest, help sleep mattresses.
