Yes, the right kind of firmness level in a mattress can help support the spine and relax the muscles.

Firmness of the mattress depends on the material and also on the density of the foam used. Generally, coir mattresses are known to be quite firm.

""Doctors usually recommended sleeping on a firm mattress to people suffering from back health issues. Firm mattresses are known to ensure optimum spinal alignment while reducing strain on the muscles which helps in relieving back pain. However, it is recommended to go for a rearch-backed orthopedic mattress by a trusted brand as it will not only be firm but also offer overall body support and comfort.""

If your mattress to too firm, you will experience extreme strain on your muscles and toss and turn a lot during night. It can also cause you to wake up with soreness and stiffness.

Since side sleepers require a smart balance between firmness and softness, a medium-firm mattress can be a better option instead of a firm mattress. However, it is also important to note that for above-average weight or height side sleepers a medium-firm mattress would need to be selected with caution.

Do your research and go for a doctor or health expert recommended orthopedic mattress by a trusted brand. Such a mattress will not only be firm but also offer overall body support and comfort.

""Firmness and softness are subjective when it comes to a mattress and can vary from person to person. If a mattress is too firm for you, you are likely to wake up with soreness and stiffness in the muscles and upper back. If a mattress is too soft for you, you will sink in way too deep into the mattress. This can impact your spine and cause lower back pain.