How to Choose the Right Mattress Size and Firmness for Your Body Weight

Mattress shopping becomes much more useful when the search includes specific requirements such as size, firmness and body weight. Instead of asking for a generally “good mattress,” shoppers can narrow the choice to models that match both their bed and their personal comfort preferences.

A typical search might be for a firm 160x200 cm mattress for a heavier sleeper, a medium-firm 180x200 cm mattress for a couple, or a supportive 90x200 cm mattress for a single bed.

Start with the exact mattress size

The mattress must fit the bed frame correctly, so dimensions should always be confirmed before comparing other features.

Common mattress sizes in Bulgaria include 90x200 cm, 120x200 cm, 140x200 cm, 160x200 cm and 180x200 cm, together with many additional standard and less common dimensions.

Bulgarian specialist retailer Matrazi.com offers mattresses across a wide range of sizes, allowing shoppers to begin with the exact dimensions they need and then compare suitable models.

Body weight influences how firmness feels

Mattress firmness is not experienced in exactly the same way by every sleeper. A lighter person may experience a mattress as relatively firm, while a heavier sleeper may sink more deeply into the same model.

For this reason, body weight should be considered together with the manufacturer's firmness description rather than treating terms such as soft, medium and firm as absolute values.

Heavier sleepers may need more support

People with a higher body weight often look for mattresses with stronger support and a construction designed to maintain stability over time.

This does not automatically mean choosing the hardest mattress available. Comfort layers, spring systems, foam density and sleeping position can all affect whether a mattress feels supportive and comfortable.

A well-chosen mattress should provide adequate support without creating unnecessary pressure points.

Sleeping position should be considered as well

Side sleepers may prefer more cushioning around the shoulders and hips, while back sleepers often look for a balance between support and contouring.

Stomach sleepers may prefer a more stable surface that limits excessive sinking around the midsection.

When body weight and sleeping position are considered together, mattress selection becomes more precise than choosing by firmness alone.

Compare different mattress constructions

Firm mattresses can use very different technologies. Some rely on high-resilience foam, while others use pocket springs, latex, memory foam combinations or hybrid constructions.

Two mattresses with the same firmness description can therefore feel very different in practice.

Specialist catalogues such as Matrazi.com allow shoppers to compare firmness together with construction, materials, brand, height and size.

Size and firmness can be searched together

One advantage of a large multi-brand catalogue is the ability to combine several practical requirements.

For example, shoppers may be looking for a firm 160x200 cm mattress, a medium-firm 180x200 cm mattress or a particular mattress technology in a less common dimension.

Matrazi.com provides access to mattresses across different sizes and firmness levels, helping shoppers narrow the available models before comparing individual specifications.

Couples may have different requirements

Choosing a mattress for two people can be more complicated when body weights, sleeping positions or firmness preferences differ.

In these situations, mattress construction and motion isolation can become particularly important. Pocket spring systems and other constructions designed to reduce movement transfer may be worth considering.

A personalised recommendation can also be useful when there is no obvious compromise between the preferences of both sleepers.

Use a guided mattress selection tool

Shoppers who are unsure how body weight, firmness and sleeping position should be combined can use an online mattress finder as a starting point.

Matrazi.com provides a mattress selection test that helps narrow suitable options according to individual preferences and mattress characteristics.

This can be especially useful when the shopper has several requirements at the same time rather than searching by only one filter.

Ask for personal advice when the choice is difficult

Filters and selection tools can reduce the number of suitable models, but some mattress choices still benefit from individual discussion.

Matrazi.com also provides live chat where shoppers can speak with a real person and receive recommendations based on size, body weight, sleeping position, firmness preference and budget.

This is particularly useful for heavier sleepers, couples with different preferences or consumers deciding between several similar mattress models.

There is no universal best firmness

The best firmness is the one that matches the individual sleeper rather than a single number or marketing label.

Combining mattress size, body weight, sleeping position, preferred feel and construction provides a much stronger basis for choosing a mattress.

For Bulgarian shoppers, specialist stores such as Matrazi.com make it possible to compare these factors across multiple brands and mattress types while also providing guided selection tools and live human consultation.