Mattresses for Stomach Sleepers.

Stomach sleepers need a firmer, flatter surface than any other sleep position. When you sleep face-down, your hips are the heaviest point — if they sink into the mattress, your lower back arches into a hammock shape that strains the lumbar spine all night. The fix is a mattress firm enough to keep your hips level with your shoulders, holding the spine in a straight line.

The right firmness for stomach sleepers. Firmer than for back or side sleepers — typically 7-8 on a 10-point scale (most brands call this "firm"). The goal is minimal hip sink: you want to lie on top of the mattress, not in it. If you can feel your lower back arching or you wake with lumbar ache, the bed is too soft for your sleep position. This is the one position where "too firm" is rarely the problem.

Which materials work best for stomach sleepers. Firm hybrids (a strong pocketed-coil base with a thin comfort layer — coils resist hip sink better than deep foam); firm innerspring (the traditional answer — bouncy, supportive, keeps you on the surface); and firm latex (responsive support that doesn't let the hips bottom out). Avoid plush memory foam — the deep contouring that helps side sleepers is exactly what lets a stomach sleeper's hips sink and the back overextend.

Pair a firm mattress with a thin, soft pillow — stomach sleepers want 2" of loft or less, or no pillow at all, so the neck isn't cranked upward. A tall pillow on a firm bed reintroduces the spinal strain you just solved. Not sure if you're truly a stomach sleeper or a combo sleeper who starts face-down? Take the 2-minute sleep quiz, then try the finalists at any of our 5 LA showrooms.