Why do I get back pain from my mattress?
Last updated September 3, 2026.
Morning back pain that eases as you move is the mattress pattern: too soft bows the spine, too firm fails its curves, and older mattresses do both. The NHS says most back pain improves within weeks by staying active, and MedlinePlus suggests pillow-supported sleep positions to unload the spine. Test a firmer surface before buying. Pymander is a free AI doctor, 24/7 by text, and can help.
What to do
- Run the floor test: a few nights on a firmer surface tells you if the mattress is guilty.
- Side-sleep with a pillow between your knees, or back-sleep with one under them.
- Rotate the mattress and check its age - support fades within 7 to 10 years.
- Leg pain, numbness, weakness, or bladder changes? GP, not a mattress shop.
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