Best overall

Independent testers liked it for back sleepers, stomach sleepers, heavier people and hot sleepers. (Mattress Clarity, Sleepopolis, Sleep Foundation)
10 mattresses · exact 36 × 84″
Updated Oct 26, 2026 · 4 makers’ own size lists checked · findings from 6 independent testing sites · How we pick
Every mattress for heavier people we could find that’s sold in exactly 36 × 84 inches, the Bunk (36 × 84) size. Mattresses for heavier people are firmer and thicker, with stronger coils or denser foam, so they don’t sag or bottom out under more weight.
How we check: each size is checked against the maker’s own size list. Mattresses independent reviewers found supportive for people over about 230 lb, plus heavy-duty models the maker builds for heavier sleepers.
From what independent reviewers found in their testing. Ordered by the evidence, not by commission.
Best overall

Independent testers liked it for back sleepers, stomach sleepers, heavier people and hot sleepers. (Mattress Clarity, Sleepopolis, Sleep Foundation)
Best for side sleepers
Relieved pressure in every position. (NapLab)
Best for back sleepers

Works for back sleepers; firm side suits heavier back sleepers. (NapLab)
Best for heavier people

Especially suited to sleepers over 230 lb. (Sleep Foundation)









See every Bunk (36 × 84) mattress or every mattresses for heavier people. Measure your platform before you order.