How to Choose the Right Mattress Firmness for You

Whether you're a side sleeper, back supporter, or stomach snoozer, understanding the nuances of mattress firmness can make all the difference in achieving restorative sleep.

Why Is Mattress Firmness Important?

The right firmness level can prevent back pain and ensure you wake up refreshed and without soreness. Here’s why mattress firmness should be on your radar:

  • Spinal Alignment: The correct firmness helps keep your spine in a neutral position. Too firm, and your hips won’t sink at all, leading to misalignment. Too soft, and they’ll sink too much, which can also lead to discomfort.
  • Pressure Relief: A mattress that’s too hard can increase pressure on your hips, shoulders, and knees, while a mattress that’s too soft might not offer the support needed, leading to muscle strain.
  • Comfort and Support: The firmness level contributes to the overall comfort and support the mattress provides. It determines whether you will float on top or gently sink into your mattress.

How to Choose the Right Mattress Firmness?

Choosing the right mattress firmness can be daunting, but it's simpler when you consider your sleeping position and body weight.

By Sleeping Position:

  • Side Sleepers: Typically benefit from medium-soft to medium firmness. This range helps cushion the shoulders and hips, supporting the natural curve of your spine.
  • Back Sleepers: Medium to medium-firm mattresses are ideal as they support the lower back and keep the spine aligned.
  • Stomach Sleepers: Firm mattresses are the go-to, as they prevent the pelvis from sinking too deeply, which can misalign the spine.

By Body Weight:

  • Lighter Individuals (under 130 lbs): Softer mattresses can provide adequate comfort and support without feeling too firm.
  • Average Weight Individuals (130-230 lbs): A medium firmness provides a good balance of support and comfort.
  • Heavier Individuals (over 230 lbs): Firmer mattresses are advisable as they offer more support and prevent excessive sinking, which can affect spinal alignment.

Somnus Haven’s Perfect Fit Guide

At Somnus Haven, we understand that choosing the perfect mattress isn't just about firmness—it’s about creating a haven for your body to rest and rejuvenate. Our Perfect Fit Guide helps you navigate the complexities of mattress types and technologies from memory foam to hybrid designs, ensuring you make an informed choice tailored to your sleep needs.


Your journey to a better night's sleep begins with understanding and selecting the right mattress firmness. By considering your sleeping position and body weight, you can significantly improve your sleep quality. Explore our selection at Somnus Haven, where we offer a variety of mattresses designed to meet different needs and preferences. Remember, the perfect night's sleep is just the right mattress away!

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