If you’re shopping for a new mattress, you’ve probably come across two popular types: innerspring and memory foam. Both are very different in how they feel and how they’re built. This guide will help you understand the differences between innerspring and memory foam mattresses in a simple and easy way, so you can choose the one that fits your sleep needs best.
What Is an Innerspring Mattress?
An innerspring mattress is one of the most common and oldest types of beds. It’s been around for more than 100 years. Inside this type of mattress, there are metal coils or springs that give the bed its bounce and firmness. These coils form the “support core,” which holds up your body while you sleep.
On top of the coils, there’s a thin comfort layer, usually made of fabric or foam, but it’s not very thick—usually less than 2 inches. If the top layer is thicker than that, the mattress is usually called a hybrid, not a true innerspring. Innerspring beds are usually affordable, easy to find, and feel more firm and bouncy.
Best for:
People who like a firmer bed
Budget-conscious shoppers
Hot sleepers who need better airflow
What Is a Memory Foam Mattress?
A memory foam mattress is made completely from layers of foam—no springs or coils inside. The top layer is made of memory foam, a soft material that slowly molds to your body shape. Under that, there’s a firmer foam layer that gives support.
Memory foam was first invented by NASA and later used in beds because it’s soft and body-hugging. When you lie down, the foam reacts to your body heat and weight, gently shaping around you. This makes it great for comfort and pressure relief.
Best for:
People who want a softer, more “hugging” bed
Light sleepers who don’t want to feel movement
Anyone needing extra cushioning for pain relief
Key Differences Between Innerspring and Memory Foam Mattresses
Let’s look at a quick comparison between memory foam vs innerspring mattresses to understand how they differ:
| Feature | Innerspring | Memory Foam |
|---|---|---|
| Support Core | Metal coils | High-density foam |
| Comfort Layer | Thin, fabric or foam | Thick memory foam |
| Feel | Firm, bouncy | Soft, body-hugging |
| Motion Transfer | Moderate | Very low |
| Cooling | Sleeps cooler | May trap heat |
| Pressure Relief | Low to moderate | High |
| Price (average) | $600–$1,000 | $800–$1,200 |
| Lifespan | 5.5–6.5 years | 6–7 years |
How Each Mattress Feels
The way a mattress feels when you lie on it is a big deal. Innerspring mattresses feel firmer and give you a more “on top” of the bed feeling. They bounce back quickly and feel very even.
Memory foam mattresses feel softer and let you sink in more. It’s like the mattress is gently hugging your body. If you like that sinking, cozy feeling, memory foam is usually the better choice.
Support: Which One Offers Better Back Support?
Both mattress types can offer good support, but in different ways.
Innerspring beds use strong coils to push back and keep your body from sinking in too much. This gives a flat and firm surface, which some people prefer.
Memory foam beds use dense foam that shapes around your body while still holding you up. The higher the foam density, the more supportive it is.
If you’re a heavier person (over 230 lbs), you might get more reliable support from an innerspring mattress.
Conforming to Your Body
Memory foam is better at conforming to your body. It responds to your body heat and pressure, shaping to your curves and joints. This helps with spine alignment and makes many people feel more comfortable.
Innerspring mattresses, however, don’t mold to your body as well. They give more of a flat, firm surface with less shaping around your body.
Pressure Relief: Which Is Better?
When it comes to pressure relief, memory foam is the winner. It’s made to cushion your body’s pressure points like your shoulders, hips, and back. This helps reduce pain and discomfort while promoting better posture.
Innerspring mattresses have thinner comfort layers and don’t adapt to your shape as much, so they may not be as helpful if you need extra cushioning.
Sleeping Cool: Which One Is Cooler?
If you tend to sleep hot, innerspring mattresses sleep cooler because the coils allow for more airflow. The space between the springs lets heat escape more easily, so you feel less sweaty during the night.
Memory foam mattresses trap heat more easily because the foam hugs your body and doesn’t allow much air to move. Some memory foam models use special cooling gel or breathable layers, but in general, they sleep warmer.
Cost Comparison: Which Is More Affordable?
Innerspring mattresses are usually cheaper than memory foam ones. A good-quality innerspring bed costs around $600 to $1,000, while memory foam mattresses often cost around $800 to $1,200.
There are budget versions of both types, but very cheap memory foam might use low-quality materials that wear out faster. If you’re on a tight budget, innerspring is a great option. But if comfort is your top priority, memory foam might be worth the extra cost.
Lifespan and Durability
Memory foam mattresses generally last a bit longer than innerspring ones. Most memory foam beds can last 6 to 7 years, depending on how dense the foam is. Denser foam means more durability.
Innerspring beds usually last around 5.5 to 6.5 years, depending on the quality of the coils. Thicker, stronger coils usually last longer and give better support over time.
Which Mattress Is Right for You?
Here’s a quick guide to help you decide:
Choose an Innerspring Mattress if:
You like a firmer, bouncy feel
You sleep hot and want better airflow
You need a more affordable bed
You weigh more than 230 lbs
Choose a Memory Foam Mattress if:
You like a soft, body-hugging feel
You want great pressure relief
You’re a light sleeper and share the bed
You want better support for aches and pains
Final Thoughts
Both innerspring and memory foam mattresses have their pros and cons. Innerspring beds are cooler, bouncier, and more affordable, while memory foam beds offer better pressure relief, motion isolation, and comfort. The best choice depends on your body, sleeping habits, and what kind of feel you like best.
Take your time, try out a few options if you can, and think about what matters most to you—firmness, softness, support, or cooling. That way, you’ll find the perfect mattress for a good night’s sleep.