Detailed review protocol

How we Score and Test Mattress Feel

We describe firmness, contour, sinkage, bounce, response, and surface texture in consistent language so readers can recognize the kind of mattress experience they prefer.

A hand gently pressing down on a textured white mattress with subtle patterns, indicating the softness and comfort of the mattress surface
Preference measurementsSinkage depth and total bounce
Sinkage

Depth below the original surface line

Total bounce

Maximum compression + maximum rebound

Exact sinkage and bounce measurements are the comparison point; plain-language descriptions add context. Neither is treated as universally better or worse.

What mattress feel includes

Feel is the combined impression created by firmness, contour, sinkage, bounce, response speed, surface texture, and the transition into the support core. These characteristics are highly preferential, so they are described rather than combined into a separate overall score.

How we assess feel

Testers use the mattress in side, back, stomach, and combination positions and repeat common movements such as rolling, sitting, and getting out of bed. We allow the surface to settle before recording firmness, contour, hug, surface texture, and the transition into the support core.

Measured context keeps those descriptions consistent. Sinkage is captured by placing a 12-pound medicine ball about 12 inches from the edge and measuring how much of its known height drops below the original surface line. Bounce uses the same ball dropped from 18 inches, with video frames marking maximum compression and rebound. Response time is captured separately with high-frame-rate video after the settled ball is removed.

We compare those observations and measurements with the verified construction and the brand's stated firmness. If the stated firmness and tested feel differ, the review reports the tested feel and identifies the exact side or firmness option assessed.

We report firmness on a 10-point continuum from softer to firmer, but firmness is not a quality rating. A soft mattress is not automatically better than a firm mattress. The relevant question is whether the feel supports the intended sleeper without creating excessive pressure or sinkage.

How measured sinkage and bounce are described

Sinkage is reported to two decimal places as the measured depth. Total bounce is maximum compression plus maximum rebound height and is also reported to two decimal places. Plain descriptions such as shallow, moderate, deep, low, or high help readers picture the feel, but the exact measurement remains the comparison point.

Sinkage and bounce do not receive standalone quality scores because more or less is not universally better. Sinkage informs pressure relief, support, cooling, and ease of movement where body contact or movement resistance matters. Bounce receives a smaller role in ease of movement because rebound can assist repositioning without making a highly springy feel universally preferable.

How feel informs recommendations

Feel helps explain why two mattresses with similar performance scores can suit different people. It informs sleeper-fit tables, “best for” guidance, and alternatives, while the scored performance factors remain independently visible.

How we reviewed this article: