Sleep & comfort

Soft or firm: how to actually choose a mattress

“The firmer the better for your spine” is a myth. Firmness follows weight and sleeping position; the constant is a straight spine.

The common myth

Treating “hard” as spine protection. A too-hard mattress leaves shoulders and hips suspended and the lower back collapsing; a too-soft one swallows you whole and bends the spine.

Choose by body weight

Lighter sleepers (under 50 kg) need a slightly softer top to contour shoulders and hips; heavier sleepers (over 80 kg) need stronger support—pocket springs with high-support foam—or they will sleep in a dent.

Choose by sleeping position

Side sleepers need give at shoulders and hips—a softer comfort layer. Back sleepers need lumbar support—a firmer core. Stomach sleepers need overall firmness to avoid neck hyperextension.

Construction notes

Individually pocketed springs are quiet and motion-isolating; latex and memory foam contour well; coir (coconut fiber) is firm—mind the adhesive's formaldehyde grade if you choose it.

How to test in the showroom

Our first sentence when a client tries a mattress: “Take off your shoes and lie down for a minute—do not press with your hand.” Correct means no gap under the lower back and no suspended shoulders.

About Yijian

We have worked in Foshan furniture for 19 years and know 200+ source factories in the Lecong–Longjiang belt personally. Fixed fee of RMB 800 per day (about US$110, Oct 2026), no commissions, your money never passes through us. How the service works →

Common questions

Is a firmer mattress better for the spine?

No—too firm leaves shoulders and hips suspended while the lower back collapses. The goal is a straight natural spine line.

What should heavier sleepers choose?

Pocketed springs with high-support foam for stronger support, avoiding a permanent dent.

Do side and back sleepers need the same firmness?

No: side sleepers need softer contouring at shoulders and hips; back sleepers need firmer lumbar support.

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