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Left. Right. Rollover. The different types of positions that you can do whenever you do not know what to do in bed and are trying to get the perfect position to sleep. Mattresses are always a huge part of having better and more comfortable sleep.
But with so many options out there, how do you choose a mattress that actually supports your body?
The secret lies in matching your preferred sleeping position with the right mattress firmness level. By reading this Designer Tip, you will know exactly how to select the perfect mattress firmness for your sleeping position so you can get a great night's sleep and finally wake up pain-free.
It is not just about selecting a beautiful mattress—you also need to think about the perfect firmness for your body.
To do that, you first need to identify your primary sleeping position. But before we look at positions, it helps to understand how the mattress industry measures "feel." We use a standard scale from 1 to 10:
1–3 (Soft): Deep sinkage and a contouring, cloud-like hug.
4–6 (Medium to Medium-Firm): The "sweet spot" balance of pressure relief and support.
7–10 (Firm): A floating-on-top feeling with minimal sinkage.
Here is the golden rule of thumb for matching your position to the mattress firmness scale (usually 1 to 10, with 10 being the firmest):
If you spend your night curled up on your side, your shoulders and hips take the brunt of your body weight. On a bed that is too stiff, these areas develop painful pressure points. To prevent this, side sleepers need a soft to medium mattress. This firmness level offers enough cushioning to let your shoulders and hips sink in comfortably, keeping your spine in a straight, healthy line. When shopping, you should look for memory foam or hybrid mattresses with a thick, plush comfort layer.
Back sleepers need a balanced mix of contouring and upward support. If your bed is too soft, your hips will sink and bow your lower back, but if it is too firm, your spine won't touch the mattress, leaving your lower back completely unsupported. A medium to medium-firm mattress is the ideal choice here. It keeps your spine in its natural "S" curve while gently cradling your lower back and neck. Keep an eye out for pocketed coil hybrids or latex mattresses that offer targeted lumbar support.
Sleeping on your stomach is highly demanding on your spine because a mattress that is too soft will cause your hips to sink deeply, putting severe pressure on your lower back. For stomach sleepers, a firm mattress is essential. It keeps your hips and shoulders perfectly aligned, preventing your lower back from arching uncomfortably. You will want to focus on traditional innerspring or dense hybrid mattresses that offer maximum pushback and support.
If you wake up in a different position than the one you fell asleep in, you are a combination sleeper and need a mattress that makes it easy to move. Combination sleepers who constantly toss and turn do best on a medium-firm mattress. This firmness is versatile enough to support your body in every position while offering the responsiveness you need to move freely without feeling "stuck." To get this balance, look for hybrid mattresses that feature responsive foam or bouncy latex layers.
Additionally, when you lie down, your spine should remain in the same neutral alignment as when you are standing up straight with good posture. If you feel a gap under your lower back, or if your hips are sagging like you're in a hammock, the firmness is off!
Once you know what your sleeping position is, you should also consider other factors when choosing the mattress to get a comfortable sleep. These are the things you need to consider:
How Mattress Materials Affect the Feel: All-foam mattresses tend to feel slightly softer and more cradling because they contour closely to your body, making them perfect if you love a cozy "hugged" feeling. On the other hand, innerspring and hybrid mattresses utilize dynamic coil support systems that make them feel slightly firmer and more responsive, which is the better choice if you prefer a "floating on top" sensation and easy movement.
Motion Isolation (The "Couple's Compromise"): If you share your bed with a partner or a pet, you will want to look at how well the mattress absorbs movement. A Medium-Firm hybrid or foam mattress is the universally agreed-upon sweet spot because it keeps both partners comfortable while preventing motion from traveling across the bed when one person tosses or turns.
Now that you know exactly how to select your firmness, you are ready to shop with confidence. Here are our top designer recommendations to help you find your perfect match:
For Side & Back Sleepers: Stearns & Foster Studio Medium Mattress. It blends supportive, encased innersprings with plush memory foam to cradle your hips and shoulders while keeping your spine perfectly aligned.
For Hot & Active Sleepers: Tempur-Pedic ProBreeze Mattress. It delivers conforming, pressure-relieving support while actively drawing heat away from your body for all-night cooling.
Selecting the right mattress firmness is one of the most impactful decisions you can make for your health, energy, and overall well-being. By aligning your preferred sleeping position with the proper support level, you can say goodbye to restless nights and wake up feeling truly refreshed. Use this guide as your roadmap, explore your options, and invest in the deep, restorative sleep you deserve.
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