What is the difference between coil and innerspring?



When shopping for a new mattress, one of the fundamental decisions you'll need to make is choosing between a coil or an innerspring mattress. Both options have their unique features and benefits, but understanding the differences between them is crucial to ensure you make the best choice for your needs. In this article, we will delve into the intricacies of coil and innerspring mattresses, exploring their construction, performance, support, and comfort. By the end, you'll have a clear understanding of their dissimilarities, which will help you make an informed decision when it comes to purchasing your next mattress.

Coil Mattresses

Coil mattresses, also known as traditional mattresses, have been widely used for many years. They consist of a coil system made up of metal springs that provide support and structure to the mattress. These coils are typically crafted from steel and are interconnected, ensuring that the mattress maintains its overall shape and structural integrity.

One of the primary benefits of coil mattresses is their durability. The sturdy construction of the spring system ensures that the mattress can withstand prolonged use without sagging or losing shape. The coils also promote good airflow within the mattress, which helps regulate temperature during sleep and prevents the mattress from becoming excessively hot.

The design of coil mattresses also allows for excellent support and responsiveness. The individual coils respond individually to pressure, contouring to the body and providing targeted support where it's needed most. This feature can be particularly beneficial for people with specific areas of concern, such as back or joint pain.

Despite their advantages, coil mattresses do have a few limitations. One common complaint is motion transfer. Due to the interconnected coil system, movements made by one person on the bed can be felt by the other, potentially disrupting sleep for both individuals. Additionally, coil mattresses may not offer the same level of pressure relief as other options, which can be a drawback for those with specific comfort preferences or certain medical conditions.

Innerspring Mattresses

While often used interchangeably with coil mattresses, innerspring mattresses have a few distinct differences. In contrast to coil mattresses, innerspring mattresses use a series of individually wrapped coils or springs. Each coil is encased in fabric, allowing them to respond independently to pressure. This construction offers several advantages over traditional coil mattresses.

One of the standout features of innerspring mattresses is their ability to provide excellent support and motion isolation. The individual coils in an innerspring mattress help isolate motion, meaning that movements on one side of the bed are less likely to be felt on the other side. This characteristic is especially advantageous for couples or individuals who share a bed and tend to move around at night.

Additionally, innerspring mattresses typically offer enhanced pressure relief compared to coil mattresses. The ability of the individually wrapped coils to contour to the body's shape helps relieve pressure points and promote better spinal alignment. People with back pain or joint issues often appreciate the added support and comfort provided by innerspring mattresses.

However, it is worth noting that innerspring mattresses may not be as durable as coil mattresses. Over time, the individual coils can lose their supportiveness and may start to sag, leading to a decrease in overall comfort. This can be mitigated by selecting a high-quality innerspring mattress and regularly rotating it to ensure even wear.

Choosing Between Coil and Innerspring Mattresses

Deciding between a coil and an innerspring mattress ultimately comes down to individual needs and preferences. To help you make an informed decision, let's consider a few factors that may influence your choice:

1. Comfort and Support: Both coil and innerspring mattresses offer support, but the level of comfort can vary. If you prefer a mattress with more bounce and responsiveness, a coil mattress may be the better option. On the other hand, if pressure relief and motion isolation are more important to you, an innerspring mattress may be the ideal choice.

2. Motion Transfer: If you sleep with a partner, consider the impact of motion transfer. If one person tends to toss and turn during the night, an innerspring mattress with its superior motion isolation may be beneficial in reducing disruptions to the other person's sleep.

3. Durability: Coil mattresses are often praised for their longevity and ability to retain their shape over time. If durability is a significant concern for you, a well-constructed coil mattress may be a wise investment. However, keep in mind that innerspring mattresses can still provide excellent comfort and support if properly maintained.

4. Price: Price can often be a factor when choosing a new mattress. Generally, coil mattresses tend to be less expensive compared to innerspring mattresses. However, the ultimate price will depend on various factors like brand, construction quality, and additional features.

5. Allergies and Sensitivities: If you have allergies or sensitivities to certain materials, it is vital to consider the components of the mattress. Look for hypoallergenic options or mattresses made from materials that are less likely to irritate your allergies.


In conclusion, both coil and innerspring mattresses have their unique characteristics and advantages. Coil mattresses offer durability and excellent support, making them a popular choice. In contrast, innerspring mattresses provide superior motion isolation and pressure relief, ensuring a more comfortable sleep experience. When selecting between the two, consider factors such as comfort, motion transfer, durability, price, and any specific sensitivities or allergies. By carefully assessing your needs and preferences, you can make an informed decision and choose the mattress that will provide you with the best sleep for years to come.


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