The Best King Size Mattress: Ultimate Guide
The best king size mattress can make all the difference when it comes to getting a great night’s sleep.
The mattress you choose plays a crucial role in getting the best sleep—and if you appreciate the extra space like I do, a king mattress is a great choice.
Don’t get me wrong, I love my husband, but I also like plenty of space.
Whether you’re sharing your bed with a partner or simply want more room to stretch out, the best king mattresses combine comfort, support, and durability so you wake up refreshed.
I’ve spent over 20 years in television news, mostly on early morning shows. So I value a solid night’s rest as much as anyone – especially when I have to wake up at 2:45 a.m.
In this guide, we’ll walk you through the top options available, what to look for when choosing a king mattress, and how to find the perfect one for your sleep.
Let’s dive into the world of king-size mattresses and find the best fit for your dream bedroom!
Choosing the Right King Size Mattress
Mattress Type
- Consider a hybrid mattress for a balance of foam and spring support
- Look for a memory foam mattress for pressure relief and contouring
- Think about a latex foam mattress for a breathable and durable option
- Research different mattress types to find the best fit for you
Firmness and Responsiveness
- Choose a medium firm mattress for optimal support and pressure relief
- Consider a firmer mattress for back and stomach sleepers
- Look for a softer mattress for side sleepers
- Think about the responsiveness of a mattress for easy movement and changing positions
Best King Size Mattresses for Different Sleeping Positions
Side Sleepers
- Look for a medium soft to medium firm mattress for pressure relief and comfort
- Consider a memory foam mattress for contouring and support
- Think about a plush pillow top for added comfort and pressure relief
- Research different mattress options for side sleepers to find the best fit
Photo: Chastidy Cortijo
Back Sleepers with Back Pain
- Choose a medium firm mattress for optimal support and pressure relief
- Consider a hybrid mattress for a balance of foam and spring support
- Look for a mattress with a breathable organic cotton cover for temperature regulation
- Think about a mattress with a pillow top for added comfort and pressure relief
Photo: Lotus Design and Print
Stomach Sleepers
- Look for a firmer mattress for optimal support and pressure relief
- Consider a latex foam mattress for a breathable and durable option
- Think about a mattress with a medium firm to firm feel for stomach sleepers
- Research different mattress options for stomach sleepers to find the best fit
Cooling King Size Mattresses
Cooling Features
- Look for a mattress with a cooling cover for temperature regulation
- Consider a mattress with breathable materials for airflow and cooling
- Think about a mattress with a hybrid design for optimal cooling and support
- Research different cooling features to find the best fit for you
Photo: SpaceJoy
Temperature Regulation
- Choose a mattress with a breathable organic cotton cover for temperature regulation
- Consider a mattress with a cooling gel layer for optimal temperature regulation
- Look for a mattress with a hybrid design for optimal cooling and support
- Think about a mattress with a medium firm to firm feel for temperature regulation
King Size Mattresses for Specific Needs
Top King Size Mattress Picks
Helix Midnight Luxe
- A hybrid mattress with a medium firm feel for optimal support and pressure relief
- Features a breathable organic cotton cover for temperature regulation
- Has a pillow top for added comfort and pressure relief
- Suitable for back and stomach sleepers
King Mattress Variations
California King vs. King Mattress
- Consider a California king mattress for taller individuals and couples
- Look for a king mattress for a standard size and fit
- Think about the dimensions and benefits of each size to find the best fit for you
Photo: Shche – team
Price and Value
King Mattress Price Range
- Look for a king mattress in the $800 to $2,500 range for a high-quality option
- Consider a budget-friendly option in the $500 to $1,000 range
- Think about the value and quality of a mattress when making a purchase
Warranty, Shipping, and Sleep Trial
- Look for a mattress with a 10-year warranty for durability and longevity
- Consider a mattress with free shipping and a sleep trial for convenience and risk-free testing
- Think about the company policies and customer service when making a purchase
Testing and Evaluation
Motion Isolation
- Choose a mattress with a medium firm to firm feel for optimal motion isolation
- Consider a mattress with a breathable organic cotton cover for temperature regulation
- Look for a mattress with a hybrid design for optimal cooling and support
FAQs About the Best King Mattress
What should I look for in the best king mattress?
When choosing the best king mattress, consider factors such as firmness level, material type (memory foam, innerspring, hybrid), support, durability, and cooling features.
It’s important to find a mattress that aligns with your sleeping position, preferences, and any specific needs, such as pressure relief or back support.
Photo: Maria Orlova
How firm should a king mattress be?
The ideal firmness for a king mattress depends on your personal preference and sleeping position. Generally, side sleepers prefer softer mattresses for pressure relief, while back and stomach sleepers tend to benefit from firmer mattresses for better spinal alignment.
A medium-firm mattress is often a good choice for most people.
Photo: Spacejoy
Is a king mattress too big for my bedroom?
The question of whether or not a king mattress is too big, really depends on the size of your room.
A king mattress measures 76 inches by 80 inches, so it’s important to ensure your bedroom has enough space. Ideally, you should have at least 2 feet of space on each side of the mattress to allow for easy movement and a balanced room layout.
Make sure your room is large enough to accommodate both the mattress and any other furniture comfortably.
Can I use my existing bed frame with a king mattress?
Most bed frames can accommodate a king mattress, but it’s important to double-check the measurements of both the frame and the mattress.
Some bed frames may need adjustments or additional slats for proper support. A king-size box spring may also be necessary depending on the type of mattress you choose.
How long does a king mattress last?
On average, a quality king mattress lasts between 7 to 10 years. However, its longevity depends on factors like the material, usage, and maintenance.
Memory foam and hybrid mattresses tend to last longer than innerspring mattresses, while frequent rotation and proper care can help extend your mattress’s lifespan.
Photo: Han Jiaoye
Do I need a box spring with a king mattress?
A box spring isn’t always necessary for a king mattress, especially with newer mattress types like memory foam or hybrid mattresses. Some bed frames come with built-in support, eliminating the need for a box spring.
However, if you’re using a traditional innerspring mattress, a box spring can provide added support and increase durability.
Photo: JP Valery
How do I know if I need a king mattress?
A king mattress is a great option if you’re looking for more space in your bed. It’s especially beneficial for couples who need extra room to sleep comfortably or if you’re someone who enjoys stretching out.
If your current mattress feels cramped or uncomfortable, upgrading to a king mattress could be the solution to better sleep.
Are there any health benefits to a king mattress?
A king mattress offers more space, which can improve sleep quality by allowing more room to move and reducing discomfort.
With proper support and comfort, a king mattress can help with posture, reduce pressure points, and alleviate back pain, contributing to a better overall sleep experience.
Photo: Chelsea McCarty
What is the best material for a king mattress?
The best material for a king mattress depends on your sleep preferences. Memory foam provides excellent contouring and pressure relief, while innerspring mattresses offer a more traditional feel with good bounce and support.
Hybrid mattresses combine the benefits of both, offering a mix of foam comfort and coil support. Choose the material that suits your comfort, support, and cooling needs.
Why Does Edge Support Matter?
6. Edge Support
Edge support is important if you tend to sleep near the edge of the bed or sit on the edge when getting in or out of bed.
Some mattresses, particularly memory foam ones, can sag along the edges, making them feel less supportive.
A king mattress with reinforced edges will offer a more secure and stable sleeping surface, especially for those who use the full width of the bed.
Photo: Liz Vo
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Conclusion
Finding the best king mattress is all about balancing comfort, support, and quality to suit your personal sleep preferences.
Whether you prioritize firmness, cooling features, or pressure relief, the perfect king mattress can make all the difference in your sleep quality and overall well-being.
Take your time to explore the options we’ve covered and choose the one that feels just right for you. With the right mattress, you’ll enjoy restful nights and wake up ready to take on the day.
Sweet dreams await! And if you need help waking up in the morning, be sure to check, out my post on the best espresso machine.
The best king mattress feels good
Photo: Rhema Kallianpur
Photo: Zulian Firmansyah
Photo: Nine Koepfer
Hi I’m Erica! TV news anchor and mom to 4 littles. I’m obsessed with creating those “wow” moments in life through crafting at home, cool travel adventures and special celebrations with loved ones. Thanks for joining me on this adventure!
