Depending on your bed frame or mattress throw in, you might.

Here’s everything you gotta know to choose the right support system for a good night’s sleep.

If you’re shopping for a bed, you may wonder, “What is a box spring?”

Box spring

Credit:Kelsey Hansen

Box springs are a common component of any bed set.

But many new mattresses claim not to need thisunder-mattresssupport.

While some people swear by their benefits, others find them bulky and unnecessary.

Bed with layers of bedding

Credit:Kelsey Hansen

These are the benefits and alternatives of a box spring.

Aside from tradition or design, here’s how to determine whether you need one.

Kelsey Hansen

What Is a Box Spring?

Box spring and mattress

Credit:Kelsey Hansen

A mattress rests on top of it, so youll need one that matches the size of the bed.

They also improve airflow to help keep the mattress cooler.

Typically, a box spring should be replaced every ten years.

While all mattresses benefit from having a firm foundation, mostmodern mattressesclaim not to need a box spring.

Heres what it’s crucial that you know if youre looking for a new bed set.

What Types of Beds Need a Box Spring?

Over a decade ago, box springs were practically required when purchasing a new mattress.

They are designed for coil-based mattresses and offer additional support to absorb any shifts in weight atop the mattress.

They’re designed to provide their own support.

However, some people still use box springs for aesthetics or height.

Whetheryour mattressneeds a box spring will depend on the throw in of mattress and the bed frame you have.

Most traditional or collapsible metal rail bed frames require a box spring because they’re designed to hold one.

Without one, they don’t provide sufficient support for the mattress.

Innerspring mattresses are also designed for box spring use.

Manufacturers may specifically recommend one for optimal use with their bed or mattress design.

What Is a Box Spring’s Benefits?

Box springs are a strong and stable foundation for your mattress.

There are several benefits of a box spring.

It helps evenly distribute body weight and support the mattress, preventing sagging and lumping.

Their supportive coils help extend the lifespan of coil mattresses.

Box springs can also enhance the comfort of the sleeping surface by providing additional cushioning and shock absorption.

What Is a Box Spring Alternative?

There are plenty of mattresses that don’t need a box spring.

Amattress foundationis a solid wooden base, which may have slats to undergird the mattress.

Foam mattresses could benefit from a lightweight foundation to create a firm surface.

It’s commonly used onbunk bedsand provides a solid foundation similar to a platform bed.

At just one to three inches thick, it provides support but not additional height.

Adjustable basesare a must for adjustable beds.

They allow you to customize the angle and height of your mattress for optimal comfort.

They’re powered by electricity and are highly adaptable to their user’s needs.

Some even adjust separately on the left and right sides of the bed.