How do I know if my mattress is hurting my back?

[rexlinemouliya]

If the mattress is too firm, it will push on your pressure points and cause misalignment. Similarly, if the bed is too soft, it will allow your body to sink into the bed causing bad posture while you sleep, which can then lead to pain. The right mattress should make you feel like you are floating on air.

http://www.jrhealthblog.com/we-dismantled-5-myths-of-the-causes-of-...