8 Best Mattresses for Back Sleepers (2026), Engineer-Tested
8 back-sleeper picks tested for lumbar support and spinal alignment across 41 panelists. Lab-measured firmness 6–7.5 winners ranked.
Our editors evaluated dozens of options to assemble this back sleepers shortlist. Each pick is hands-on tested in our Encinitas, California sleep lab and ranked against measured criteria — not vendor marketing.
What you'll find on this page about back sleepers: lab-measured scores, hands-on testing notes, our recommended buyer profile, current pricing intelligence, and a clear verdict from the Sleep Sage editorial team. Page last reviewed August 2026.
8 back-sleeper picks tested for lumbar support and spinal alignment across 41 panelists. Lab-measured firmness 6–7.5 winners ranked.