How to Choose Mattress Firmness? A Guide to Choosing the Right Mattress for Your Sleeping Position

When choosing a new mattress, firmness is just as important as size, materials, and mattress technology. However, there is no single firmness level that is ideal for everyone. A mattress that feels comfortable to one person may feel too soft or too firm to another.

When determining the right mattress firmness, your sleeping position, body type, personal habits, and the support features offered by the mattress should all be considered together.

So, which is better for you: a soft, medium-firm, or firm mattress?

What Does Mattress Firmness Mean?

Mattress firmness refers to the level of resistance you feel when you lie down on the mattress. On a softer mattress, your body sinks more deeply into the surface, while on a firmer mattress, this movement is more limited.

However, a firm mattress is not necessarily the same as a supportive mattress.

A well-designed mattress can provide balanced support to different areas of the body through its spring system, memory foam, foam layers, or latex layers. For this reason, when choosing a mattress, it is important to consider the overall structure of the mattress rather than focusing only on whether it is described as “soft” or “firm.”

How Does Your Sleeping Position Affect Mattress Choice?

The sleeping position you use most often throughout the night is one of the key factors in determining the type of mattress feel you may need.

For Side Sleepers

When sleeping on your side, the shoulders and hips come into greater contact with the mattress. For this reason, it is important that the mattress can adapt to the natural contours of the body in these areas.

A mattress that is too firm may create uncomfortable pressure around the shoulders and hips. Mattresses that gently contour to the body may provide a more comfortable sleeping experience for people who prefer to sleep on their side.

Memory foam mattresses can be a suitable option in this respect, as their structure is designed to adapt to the contours of the body.

For Back Sleepers

For people who sleep on their back, balanced support for the lower back and spine is especially important.

If the body sinks too deeply into the mattress, or if the surface is excessively firm, it may negatively affect the body’s natural sleeping posture. For this reason, a medium-firm mattress that offers balanced support may be a suitable option for many back sleepers.

For Stomach Sleepers

When sleeping on your stomach, it is especially important to prevent the hip and lower back area from sinking too deeply into the mattress. For this reason, a more balanced and relatively firm surface may be preferred.

However, personal body type and sleeping habits also play an important role, so mattress choice should not be based solely on sleeping position.

Body Type Is Important Too

The same mattress can feel completely different to two people with different body weights.

Lighter individuals apply less pressure to the mattress surface, so a mattress may feel firmer to them than expected. For people with a higher body weight, the mattress support layers and overall load-bearing capacity become more important.

For this reason, when choosing a mattress, you should consider not only its firmness rating but also how the mattress responds to your body and how effectively it distributes body weight.

Who May Prefer a Soft Mattress?

Soft mattresses can provide a more cushioning and embracing feel from the moment you lie down.

They may be preferred especially by side sleepers or by those who want the mattress to follow the contours of their body more closely.

However, if a mattress is too soft, certain parts of the body may sink excessively. Therefore, softness should always be combined with sufficient support.

What Are the Advantages of a Medium-Firm Mattress?

Medium-firm mattresses are designed to offer a balance between softness and support.

They can be a practical choice for people who frequently change sleeping positions throughout the night, as well as for couples. In particular, if two people have different mattress preferences, a medium-firm mattress with balanced motion response may offer a suitable compromise.

Different mattress technologies, such as Pocket Spring or Multispring systems, can also be produced with different firmness levels depending on the comfort layers used above the spring system.

Is a Firm Mattress Always Better?

One of the most common misconceptions about mattresses is the idea that “the firmer the mattress, the better.”

In reality, the right mattress is one that provides sufficient support without placing unnecessary strain on the body.

A mattress that is too firm may create discomfort around pressure points such as the shoulders and hips. On the other hand, a mattress that is too soft may allow the body to sink too deeply.

The goal, therefore, is not to choose the firmest mattress, but to find a mattress that provides balanced support suitable for your body type.

Mattress Technology Can Change How Firmness Feels

The materials and technologies used inside a mattress play an important role in determining how firm or soft it feels.

Memory foam layers respond to body heat and pressure, creating a more contouring surface that adapts to the shape of the body.

Pocket Spring systems use individually moving springs, helping the mattress respond independently to different areas of the body.

Multispring systems can provide a balanced and supportive sleeping surface depending on the spring structure and the additional comfort layers used in the mattress.

Latex layers, on the other hand, offer a more responsive and elastic feel thanks to their flexible structure.

For this reason, two mattresses with the same firmness rating may still feel very different during sleep depending on the technology and materials used.

Always Try a Mattress Before Choosing

When buying a mattress, instead of simply sitting on it for a few seconds, try lying down on it whenever possible.

Stay in the position you normally sleep in for a few minutes. Pay attention to how your shoulders, lower back, and hips interact with the mattress surface.

If you are buying a double mattress, it is also useful to try it together with your partner. This allows you to evaluate both the firmness level and how much movement on one side of the mattress is transferred to the other side.

The Right Mattress Is a Personal Choice

The ideal mattress firmness is not the same for everyone. Your sleeping position, body type, habits, and preferred mattress feel all play an important role in making the right choice.

For this reason, instead of focusing only on the question “soft or firm?”, pay attention to how the mattress supports your body, which mattress technology it uses, and how it feels while you sleep.

By exploring MyVisco’s range of mattresses developed for different sleeping habits and needs, including memory foam, Pocket Spring, Multispring, and latex technologies, you can discover the mattress structure that suits you best.

Because choosing the right mattress is one of the most important steps toward better rest at night and starting each new day feeling refreshed.