We recommend the Siena Mattress for stomach and back sleepers because it's a very firm mattress – much firmer than Siena Sleep's rating of 6.5 out of 10 on the firmness scale; we rate it as a 9.
With over five years of mattress testing experience, we use our different sleeping position and body type perspectives to offer well-rounded, honest reviews. If you weigh over 230 pounds we ...
If you buy something, we may earn an affiliate commission. Firm mattress lovers are a rarified group: While some people long to fall asleep on something soft and plush, like a bed of feathers or ...