- 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
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 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
Best affordable king-size mattress: DreamCloud Premier Hybrid
Best king-size mattress for side sleepers: WinkBeds Original
Best king-size mattress for combination sleepers: Saatva Classic
Best king-size mattress for back pain: Helix Midnight
Best firm king-size mattress: Emma Hybrid Comfort
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/