The "Hammock Effect" is the enemy. When a mattress is too soft, your hips sink, your spine bows, and muscles seize up trying to compensate.
To fix back pain, you need neutral alignment. Your ears, shoulders, and hips should be in a straight line. Below are the three mattresses that provide the structural integrity required to keep your spine straight and pain-free.
Endorsed by the American Chiropractic Association (ACA). The Plank flattens your spine like a floor, but with just enough give to comfort your joints. It's flippable, offering "Firm" on one side and "Ultra Firm" on the other.
Not every back pain sufferer wants a board. Helix Luxe uses Ergo Align—a zoning layer that is firmer under your hips to prevent sinking, but softer under your shoulders to relieve pressure.
If you weigh over 200lbs, standard coils will collapse, causing back pain. The Titan uses "TitanCaliber" industrial coils that push back against heavier weights, keeping your spine aligned rather than bowing the bed.
The #1 cause of morning lower back pain is a mattress that is too soft in the center. Your hips are the heaviest part of your body. If they sink deeper than your shoulders, your spine curves into a "U" shape (like a hammock).
The Fix? You need a mattress with a high "resiliency" rating. The Plank Firm Luxe solves this by using high-density foam that refuses to compress. The Helix Luxe solves this with zoning (making the center third firmer). The Titan solves this with sheer steel strength.
Not always. If it's too hard (like the floor), your lower back (lumbar) won't touch the mattress, causing muscle strain. You need "supportive," not "rock hard." However, stomach sleepers almost always need a very firm surface like the Plank.
Avoid the ultra-firm options. You need the Helix Luxe (Midnight or Twilight). It has the Ergo Align support for your back, but enough "give" to stop your shoulders from jamming into the bed.
Give it 30 days. Your body has likely "learned" poor posture from a sagging mattress. Correcting that alignment can feel sore at first, like going to the gym after a long break.