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- Price: $1,399, cooling add-on for $99
- Material: Memory foam
- Firmness: Medium-firm
- Trial period: 365 nights
- Shipping: Free
- Warranty: Lifetime
- Mattress height: 12 inches
Best King-Size Mattress of 2024
Apr 11, 2024
Fact Checked
We reviewed hundreds of king-size mattresses, factoring in price, materials, customer reviews, and testing data to bring you this guide to the best king-size mattresses.
Your sleep needs can change over time. You may need more lumbar support to help with back pain or a firmer surface to accommodate a different sleep position. Whether you sleep differently than you used to—people 60 and older may require more daytime naps, sleep less at night, experience frequent insomnia episodes, and wake up more often—or have kept up the same lifelong sleep habits, a quality mattress is a crucial piece of the sleep equation. [1] Li J, et al. Sleep in Normal Aging. Sleep Medicine Clinics. Nov. 21, 2017.
If your current mattress is starting to show signs of wear and tear, it may be time for an upgrade. And if you have the space and budget, a king-size mattress can provide plenty of room to stretch out whether or not you sleep with a partner.
Waking up with aches and pains might be a sign it’s time to make a change. In this review, we share our expert take on the six best king-size mattresses based on our testing. [2] Jacobson B, et al. Changes in Back Pain, Sleep Quality, and Perceived Stress After Introduction of New Bedding Systems. Journal of Chiropractic Medicine. March 2009
Best king-size mattress overall
The Nectar Original mattress is our pick for the best king-size mattress because it offers a universally comfortable sleep experience, excellent motion isolation, and a body-contouring design—all at an attractive price.
Best King-Size Mattress Overall
Nectar Original
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Excellent motion isolation for couples •
Great pressure relief for back and side sleepers
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Costs $1,399 for a king-size without a discount
Best king-size mattress in 2024
- Nectar Original: Best King-Size Mattress Overall
- DreamCloud Premier Hybrid: Best Affordable King-Size Mattress
- WinkBed: Best King-Size Mattress for Side Sleepers
- Saatva Classic: Best King-Size Mattress for Combination Sleepers
- Helix Midnight: Best King-Size Mattress for Back Pain
- Emma Hybrid Comfort: Best Firm King-Size Mattress
Compare the best king-size mattresses, as of March 2024
| Provider | Cost before discounts | Firmness | Mattress type | Trial period | White glove delivery* | Visit Site |
|---|---|---|---|---|---|---|
| $1,399 | Medium-firm | Memory foam | 365 nights | Lifetime | Check price | |
| $2,169 | Medium-firm | Hybrid | 365 nights | Lifetime | Check price | |
| $1,999 | Softer, luxury firm, firmer, plus | Hybrid | 120 nights | Lifetime | Check price | |
| $2,595 | Plush soft, luxury firm, firm | Hybrid | 365 nights | Lifetime | Check price | |
| $1,748.80 | Medium-firm | Hybrid | 100 nights | 10 years | Check price | |
| $1,649 | Firm | Hybrid | 365 nights | 10 years | Check price |
*White glove delivery includes the delivery, unpacking, assembly, and placement of your new mattress or bed inside your home and the removal of your old mattress.
Best king-size mattresses of 2024, reviewed by experts
Best king-size mattress overall: Nectar Original
Nectar Original
Best King-Size Mattress Overall
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The Nectar Original mattress is our best overall pick, thanks to its comfortable construction. •
You can add a bedding bundle at a discount when you buy a new Nectar mattress. Our top pick
Best affordable king-size mattress: DreamCloud Premier Hybrid
DreamCloud Premier Hybrid
Best Affordable King-Size Mattress
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The DreamCloud Premier Hybrid is a quality mattress with a budget-friendly price tag. •
In addition to frequent discounts, DreamCloud offers discounted bedding bundles with the purchase of a new mattress. Best king-size mattress for side sleepers: WinkBeds Original
WinkBeds Original
Best King-Size Mattress for Side Sleepers
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We think the WinkBeds Original is a good pick for most sleepers but is especially well-suited to side sleepers due to its ability to keep the spine in neutral alignment and prevent pressure points. •
WinkBeds frequently has discounts on its mattresses and sleep accessories. Best king-size mattress for combination sleepers: Saatva Classic
Saatva Classic
Best King-Size Mattress for Combination Sleepers
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The firm, pressure-relieving qualities of the Saatva Classic make it a good pick for combination sleepers who don’t have a set sleep position. •
Saatva offers free white-glove delivery, including setup and removal of your old mattress. Best king-size mattress for back pain: Helix Midnight
Helix Midnight
Best King-Size Mattress for Back Pain
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The gentle, cradling support of the Helix Midnight mattress works well for people looking for a supportive yet comfortable mattress. •
Each Helix Midnight mattress comes with a free pillow set. Best firm king-size mattress: Emma Hybrid Comfort
Emma Hybrid Comfort
Best firm king-size mattress
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The Emma Hybrid Comfort is a standout for its firm feel and zoned support design. •
Our testers had no issues switching positions or moving around on the mattress, making it a good choice for combination sleepers. Bottom line
No matter what size mattress you’re buying, it’s important to consider factors like cost, materials, and trial periods. But your unique sleep preferences, including your go-to sleep position, can also impact the right mattress size for you. And that may mean you need to consider a king-size mattress.
All the king-size mattresses on our list will be solid options, but some may suit your needs better than others. While the all-foam Nectar Original is our top pick for its combination of comfort and value pricing, you might prefer a hybrid mattress, like the DreamCloud Premier or WinkBed. Ultimately, all the mattresses on our list have been extensively tested by our Reviews Team, so you can make an informed decision about the mattress that fits your needs and sleep style.
Frequently asked questions
Your ideal king-size mattress depends on your budget, preferred sleep position, and sleeping situation. Overall, we found the Nectar Original, DreamCloud Premier, and Saatva Classic are good options for most sleepers.
King-size mattresses provide more room to stretch, so they often have a higher price tag than other mattress sizes. In most cases, you should expect to pay between $1,000–$2,000. Luxury models typically run over $2,000.
A king-size mattress measures 76 inches by 80 inches. A California king is slightly longer but less wide at 72 by 84 inches.
Have questions about this review? Email us at reviewsteam@ncoa.org
Sources
- Li J, et al. Sleep in Normal Aging. Sleep Medicine Clinics. Nov. 21, 2017. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5841578
- Jacobson B, et al. Changes in Back Pain, Sleep Quality, and Perceived Stress After Introduction of New Bedding Systems. Journal of Chiropractic Medicine. March 2009. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2697581/
- Bai D, et al. Relationship Between a Pressure Redistributing Foam Mattress and Pressure Injuries: An Observational Prospective Cohort Study. PLoS One. Nov. 9, 2020. Found on the internet at https://pubmed.ncbi.nlm.nih.gov/33166300/
- Elsey T, et al. The Role of Couple Sleep Concordance in Sleep Quality: Attachment as a Moderator of Associations. Journal of Sleep Research. Feb. 20, 2019. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6702108/
- Caggiari G, et al. What Type of Mattress Should Be Chosen to Avoid Back Pain and Improve Sleep Quality? Review of the Literature. Journal of Orthopedics and Traumatology. Dec. 8, 2021. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8655046/
- Hong T, et al. The Influence of Mattress Stiffness on Spinal Curvature and Intervertebral Disc Stress – An Experimental and Computational Study. Biology (Basel). July 8, 2022. Found on the internet at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9311775/