When you have a sofa bed with a 140 x 190 cm sleeping area, the choice of mattress is crucial: it determines both the seating and sleeping comfort. Here's a comprehensive guide to help you choose the ideal mattress for your sofa bed , followed by a closer look at four recommended models.
1. The essential criteria for making the right choice
1.1 Use of the convertible sofa
First of all, ask yourself: will your sofa bed be used occasionally (guests, guest room) or daily (studio, spare bedroom, main use)?
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For occasional use, a simpler mattress may suffice.
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For everyday use, you should aim for a quality mattress , with good support and a good lifespan.
1.2 Dimensions & compatibility
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Check that the size 140 × 190 cm corresponds to the structure of the sofa once unfolded.
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The thickness of the mattress must also be compatible with the mechanism of your convertible: a mattress that is too thick or too rigid can hinder folding or opening.
1.3 Density, thickness and materials
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Density (kg/m³): the higher the density, the better the support and the greater the durability. For example, a density of at least 30 kg/m³ is recommended for everyday use.
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Thickness : for everyday use, often recommended ≥ 14 cm or more.
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Materials : classic foam, high resilience (HR) foam, latex, memory foam… Each has its advantages.
1.4 Comfort and support according to your body shape
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If you sleep on the sofa bed every night, prioritize good support: a firm or "medium firm" mattress depending on your weight.
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Also consider ventilation/hygiene (particularly if the salon is very active or frequently used).
2. A closer look at 4 recommended mattresses for a 140 x 190 cm sofa bed
Here are four Convertible Center mattress models (140 × 190 cm) that you can consider, each with its own strengths depending on the intended use:
Model 1: Soft everyday mattress
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Reference 140 × 190 cm, density 35 kg/m³.
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Intended for everyday use but remains the "entry-level" option for regular use.
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Suitable for a light to medium user, or a user who prefers a soft sleeping surface.
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5-year warranty.
Model 2: Firm everyday mattress
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Reinforced version with a density of 40 kg/m³.
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Better support than the 35 kg/m³ model: suitable for more frequent use or for slightly heavier people who like a firm comfort.
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Still suitable for a convertible sofa, size 140 × 190.
- Our customers' favorite choice!
Model 3: Extra firm everyday mattress
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Density 55 kg/m³ for very firm support.
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Ideal if the sofa bed is your main bed or for demanding sleepers (heavier build, sensitive back).
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Considerable for everyday use.
Model 4: Everyday mattress with mattress topper
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14cm thick, memory foam technology + mattress topper.
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"High-end" option for sofa bed: very good service, "hotel" comfort.
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Well suited for everyday use, a quality extra bed, or to offer real comfort to your guests.
3. Which option best suits your needs?
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Occasional use / guests → the soft model, density 35 kg/m³ is sufficient.
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Regular use but not daily / average morphology → density 35 or 40 kg/m³.
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Daily use / demanding sleeper / heavier build → density 55 kg/m³ or mattress topper.
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Premium comfort / high-end guest bed / mixed use sofa bed → model with 14 cm mattress topper.
READ ALSO: Why buy a 3-seater sofa bed?
4. Maintenance and best practices
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Air the mattress regularly (ideally 30 minutes/week) to combat humidity and dust mites.
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Use a washable mattress protector to prolong its lifespan.
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Make sure that the sofa mechanism does not strain when folding (a mattress that is too rigid/thick can damage the structure).
Conclusion
Choosing a mattress for a 140 x 190 cm sofa bed shouldn't be left to chance. By first defining how you'll use it (occasionally or daily), and then checking the dimensions, density, materials, and compatibility with your furniture, you'll make an informed decision. The four models presented offer clear options to suit your needs: from regular use to premium daily use. Take the time to compare them and align your choice with your budget and desired comfort.
