Density, support and the firmness of the mattress

Know your mattress ! know what makes your mattress outstanding!

If the choice of the technology of the mattress is essential, the support of the mattress is essential so as not to wake up with back pain. Lying on your back as well as on your side, your spine should remain straight. Firm, semi firm or very firm mattress? We explain how to test the firmness of a mattress and how to choose your own.

How to test the support of a mattress?

If possible, before buying a mattress, it should be tested. You should first lie down to check that the overall comfort is satisfactory. Then, installed on the back, you must try to pass your hand between the mattress and the kidneys. If you succeed, it is because the mattress is too firm for you. If you find it difficult to turn over on your side or if your elbow sinks when you press the mattress, it means that the latter is too soft. According to a popular belief long established, very firm mattresses should be favored. However, a mattress that is too hard turns out to be as harmful in use as a mattress that is too soft. The main thing is that when you lie down, both on your back and on your side, your spine stays straight. There are morphology tables, which help to choose the firmness of the mattress. Discover them now.

The firmness of the mattress

Absolutely to be avoided in people suffering from scoliosis, the firm mattress is primarily intended for rather light people, who do not exceed 80 kg, this rule being qualified by the morphology of the sleeper. For example, people who are 1.50 m tall and who weigh 80 kg will not be comfortable on a firm mattress, however, 1.80 m sleepers who weigh only 80 kg will be.
The advantage of the firm mattress is to offer a fairly soft reception, but it is nevertheless necessary to ensure that the column remains straight in an extended position, on the back or on the side. Firm mattresses are most often made of foam or latex with 3 contact zones .
Smallers under 1.50 m and under 50 kg will be comfortable on a firm mattress.
When people under 1.50 m exceed 50 kg, they should choose a different type of mattress.
People measuring 1.50 m to 1.60 m can turn to a firm mattress provided they weigh less than 50 kg.
The firm mattress is suitable for sleepers whose height reaches 1.70 m and who weigh less than 60 kg.
People over 1.80 m and weighing up to 70 kg will be comfortable on a firm mattress.

The semi-firmness mattress

The semi-firm mattress represents a preferred choice for people who have deformed or even asymmetrical (scoliosis, kyphosis, etc.) and arthritic spinal columns. Those who do not have back problems can obviously turn to the semi-firm mattress, which is particularly well suited for medium or strong builds, up to 100 kilos. Again, the size / weight ratio is very important: if the person is 1.50 m tall but weighs more than 80 kg, he will not have a good night’s sleep on a firm mattress, while those who sleep 1.90 m for 80 kg yes. The semi-firm mattress has the advantage of being suitable for a large segment of the population, but here too it must be ensured that the column follows the correct alignment. If it curves, the semi firm mattress is not suitable.memory foam or multi-turn springs .
Sleepers less than 1.50 m and who weigh 50 to 70 kg will not have back pain after their nights on a semi-firm mattress. When they exceed 70 kg, they should turn to very firm mattresses.
People up to 1.60m tall will choose a firm mattress only if they weigh less than 80kg.
The medium firm mattress is perfectly suited for sleepers who are 1.70 m tall and who weigh less than 90 kg.
People over 1.80 m and weighing up to 100 kg will be comfortable on a firm mattress.

The very firm mattress

The very firm mattress is not recommended for people who suffer from chronic back pain. Corpulent people will be comfortable with this type of mattress, in any case, the very firm mattress is not suitable for people under 1.50 m if they do not weigh at least 70 or 80 kg.
The very firm mattress is most often in biconical spring technology.
People who are up to 1.60 m tall and weigh at least 80 kg can opt for the very firm mattress. Likewise, people who are over 1.70 m tall and weigh over 90 kg will have a good night’s sleep.

The question arises: what to do when the difference in weight between the members of a couple is significant? It is best to opt for separate box springs and mattresses, however some manufacturers offer mattress models with two different firmnesses.

Related information:

Know your mattress ! know what makes your mattress outstanding!

How to test the support of a mattress?

The firmness of the mattress

The semi-firmness mattress

The very firm mattress

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