What to pay attention to when buying a mattress(2)

How to measure the hardness of a mattress?

The easiest way to measure is: lie on your back and stretch your hands inwards into the three obvious bends between the neck, waist and hips to the thighs to see if there is any gap; then turn over to the side and use the same There is no gap between the concave part of the body curve and the mattress. If not, it proves that this mattress fits the natural curve of the neck, back, waist, hips and legs during sleep. 

Such a mattress It can be said to be moderately soft and hard. Everyone has different preferences for the softness and hardness of the mattress. Some people like to sleep on a hard bed, while others like to sleep on a soft bed. What kind of firmness is a good mattress? 

Thirty years ago, in Germany, there was a discussion about whether a hard mattress is good or a soft mattress. That discussion caused the participation of the German ergonomics bachelor community and triggered the study of human sleep posture. The result of the study is that whether a hard mattress or a soft mattress is harmful to human health, the correct mattress should be a high-elastic mattress. 

That is to say, when the force exerted on the mattress is large, the mattress should drop much and generate more support force for the human body, and vice versa. This is because the human body is a curve. Only on a high-elastic mattress can the human body and the back be supported, especially the waist. 

It must be strongly supported, so that all parts of the human body can be relaxed and fully rested. Because the spine of the human body is shallow S-shaped, a support of appropriate hardness is required when lying down, so a flexible mattress is crucial to the comfort of the human body and the quality of sleep. Choosing a mattress cannot rely solely on self-perception, too soft or too hard is not suitable, but according to the difference between height and weight. 

The lighter-weight person sleeps on the softer bed, causing the shoulder and hips to fall into the mattress slightly, and the waist is fully supported. The heavy-weight person is suitable for sleeping on a hard mattress. The strength of the spring can give every part of the body a proper fit, especially whether the neck and waist are well supported. You can refer to the comparison table of height, weight and soft and hard mattress, it will be more scientific.