Choosing the Right Double Mattress: A Complete Guide

Let’s face it. Choosing a mattress can feel overwhelming. So many types. So many sizes. And prices that are all over the place. But here’s the truth — A good double mattress can change your life.

Why It Matters

Ever wake up sore? Groggy? Irritable? Yeah, that’s not just age or stress. It’s often your mattress. A poor mattress can mess with your sleep, posture, and mood. A good one? It supports your body and helps you sleep more deeply.

So if you're struggling with broken sleep or stiff mornings, this guide is for you. We’ll walk through everything—step by step.

What Is a Double Mattress?

Let’s start with the basics. A double mattress is 135cm wide and 190cm long. That’s around 4ft6 x 6ft3. It’s bigger than a small double but smaller than a king. Think of it as a happy medium. Who’s it good for?

Solo sleepers who want more room
Teenagers or growing kids
Couples who don’t mind sleeping close

It fits most bedrooms and offers decent space without eating up the whole room.

Is It Right for You?

Here’s where it gets real. A double mattress is fine for two people, but only if you both sleep still and like cuddling. If you or your partner tosses and turns a lot? Consider a king. Also, check your bedroom space. A double fits great in small to medium-sized rooms.

But don't forget the walking space! And here’s a pro tip— Measure your stairs and doorways too before you buy.

Types of Mattresses

This part can get confusing. Let’s simplify it.

1. Memory Foam

Memory foam mattresses mold to your body and offer amazing pressure relief. They're perfect if you need extra comfort around your hips and shoulders. Plus, they absorb movement, so if your partner tosses and turns, you won't feel a thing.

2. Pocket Sprung

Pocket sprung mattresses have a bouncy feel and offer great support. Each spring moves on its own, which means no roll-together. They also allow for better airflow, helping to keep you cool through the night.

3. Hybrid

Hybrid mattresses combine memory foam and springs for a balanced feel. You get the comfort of foam with the support and bounce of coils. They’re a popular choice because they suit most sleep styles and body types.

4. LaTeX

Latex mattresses are natural, breathable, and super durable. They’re a great option if you sleep hot or want an eco-friendlier choice. Plus, they hold their shape well and can last for years.

5. Orthopedic Mattress

Orthopedic mattresses are designed to support your back and joints. They offer firm, even support to help improve posture and reduce aches. Ideal for people with back pain or those who need extra spinal alignment. They may feel a bit firmer than regular mattresses, but they’re built for long-term comfort and relief.

Pick the type that suits your sleep style and budget. Still not sure? Go for a hybrid—it gives you a bit of everything.

Firmness Levels

Here’s the deal. There’s no “best” firmness for everyone. It depends on you.

Soft

Soft mattresses feel cushiony and plush—perfect for light side sleepers who need extra softness around the shoulders and hips. They offer gentle support and let you sink in just enough for cozy comfort.

Medium

A medium mattress gives you a nice balance between softness and support. It’s a great choice for combo sleepers who change positions through the night. Not too firm, not too soft—just right for many people.

Medium-Firm

Medium-firm mattresses are ideal for back sleepers. They keep your spine aligned and offer solid support without feeling too hard. If you want comfort with structure, this is a great middle-ground option.

Firm

Firm mattresses are best for heavier sleepers or anyone who needs extra support. They help with back pain by keeping your body well-aligned and preventing that sinking feeling.

Test before you buy if you can. And remember—some mattresses feel firmer over time.

Your Sleep Style Matters

Yep, how you sleep should guide your mattress choice.

Side Sleepers

Need a softer top layer to cushion shoulders and hips.
Helps relieve pressure points and improve circulation.
Best with memory foam or plush hybrid mattresses.
A too-firm mattress may cause shoulder or hip pain.

Back Sleepers

Need firm support to keep the spine aligned.
Medium-firm mattresses work best for spinal balance.
Helps prevent lower back pain and muscle strain.
Even weight distribution is key for long-term comfort.

Stomach Sleepers

Do best on a firm mattress to avoid sinking.
Soft beds can strain the neck and lower back.
Latex or firm hybrid options provide solid support.
Use a low or no pillow to maintain neck alignment.

Combo Sleepers

Switch positions often throughout the night.
Medium to medium-firm mattresses are ideal.
Need good bounce and fast response to movement.
Motion isolation helps minimize partner disturbance.

For Back Pain Relief

Waking up sore every morning? It could be your mattress.

Look for:

Medium-firm support
Memory foam or hybrid design
Spinal alignment features

You want a mattress that keeps your back straight, not saggy. Some brands even offer orthopedic versions. Give it a few weeks—your body might need time to adjust.

How Long Does It Last?

A quality double mattress can last 7 to 10 years. But it depends on how you treat it.

Tips to make it last longer:

Rotate every 3-6 months
Use a mattress protector
Don’t sit on the edges constantly
Please keep it clean and dry

If you feel dips, hear squeaks, or wake up sore— It might be time for a new one.

Things to consider

Bed Frame & Room Size

Double mattresses are flexible, but don't skip this step:

Measure your room.

You'll want space on all sides to move around comfortably. Also, check your luxury bed frame:

Slatted base? Check that the gaps aren't too wide
Storage bed? Make sure it fits the mattress snugly
Platform or box spring? Both can work

And don’t forget—check your hallway and stairs for delivery!

What About Budget?

Let’s be real— A mattress is an investment. You can find decent options at an affordable price. Premium models go higher. Here’s what matters more than price:

Support
Sleep quality
Warranty
Return policy

Don't just go cheap. But don’t assume expensive means better, either. Set a budget. Stick to it. Look for trial periods and warranties.

Try Before You Buy

Buying online? It’s common now. And most brands offer a 100-night trial (or more).

That means:

You can try the mattress at home
Sleep on it for weeks
Return it if it doesn’t work for you

Just check the return policy first. Some brands charge a return fee—others don’t. Bonus tip? Read real reviews. Look for comments from people with similar sleep styles to yours.

Mistakes to Avoid

Let’s keep it real.

Here are some common slip-ups people make:

Ignoring firmness levels
Not measuring the room or frame
Buying just for looks
Skipping return policies
Choosing price over comfort

Avoid these, and you’ll thank yourself later.

For Kids & Teens

Thinking long-term? A double mattress is a smart upgrade for growing kids and teens.

Here’s why it works:

It gives them more room to stretch out
It fits easily into most bedrooms
It can last well into their teen years

Kids grow fast—and so do their sleep needs. A double offers extra space for comfort, study breaks, and even lazy Sunday mornings.

Just make sure to choose a durable and easy-to-clean option. Accidents and spills happen. And unless you love laundry, skip the all-white fabric. Look for mattresses with removable covers or waterproof protectors to make life easier.

Sustainable Options

Want to go green with your sleep setup? Good news—you’ve got plenty of eco-friendly choices today.

Look out for:

Organic latex or natural cotton materials
Recyclable components to reduce waste

These mattresses are made without harsh chemicals and are safer for you and the planet. And yes—they can still be super comfy and supportive. Eco doesn’t mean boring anymore. If sustainability matters to you, your mattress can reflect that, too.

Mattress Care 101

Want it to last longer?

Here's how:

Rotate it regularly
Use a waterproof protector
Vacuum it once a month
Air it out occasionally
Keep pets off (if possible!)

Avoid jumping on it, especially if it has springs. And always follow care instructions from the brand.

Final Thoughts

Choosing the right double mattress doesn't have to be hard. Keep a few key things in mind: know your sleep style, pick the right type and firmness, and test it out if possible. Take your time—don't rush the decision. Most importantly, invest in comfort. Your body spends hours in bed every night—it deserves the best support.

Better sleep = better days. And it all starts with the right mattress.

FAQs

1. Is a double mattress good for two?

Yes, if you don’t mind sleeping close. It’s 135cm wide, so space is tight for two adults. If you prefer more room, a king is better.

2. What’s the best double mattress type?

Hybrids are a favorite—they blend memory foam comfort with spring support. Great for most sleep styles and body types.

3. Can I use any bed frame?

Yes—as long as it fits 135 x 190 cm. Just make sure it's sturdy, and the slats aren't too far apart if it's a slatted base.

4. How thick should a double mattress be?

Aim for 20–30cm. Thinner mattresses may lack support, while thicker ones offer better comfort and pressure relief.

5. Is double the same as full?

In the UK, yes. In the US, “full” is the same size. Always check the measurements before buying to be sure.