The best pillows for side sleepers in 2026, according to a certified sleep coach
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When you're looking for a restful, pain-free night's sleep, the right pillow can make a world of a difference. Snoozing on your side is the most common sleeping position, and with side sleeping comes a unique set of needs when shopping for a pillow. The best pillows for side sleepers combine comfort and support, with a medium-firm to firm feel and a loft that comfortably fills the space between your head and your neck.
After testing two dozen of the best pillows and speaking with experts, the Coop Sleep Goods Original Pillow is my favorite pillow for side sleepers. Its supportive fill is completely adjustable, so you can find the perfect loft for optimal comfort. I also love the Eli & Elm Side Sleeper Pillow, a unique U-shaped pillow that conforms to the head and neck and alleviates neck and back pain.
Our top picks for pillows for side sleepers
Best overall: Coop Sleep Goods Original Pillow - See at Coop Sleep Goods
Best value: Casper Original Pillow - See at Amazon
Best for neck and shoulder pain: Eli & Elm Cotton Side Sleeper Pillow - See at Amazon
Best down: Brooklinen Down Pillow - See at Brooklinen
Best cooling: Purple Harmony Pillow - See at Amazon
Best latex: Brooklyn Bedding Latex Pillow - See at Brooklyn Bedding
Best body pillow: Pluto Puff Body Pillow - See at Pluto
Best overall
Coop's pillow is the best of the best. The Coop Original pillow has consistently impressed us over years of testing, making it not only the best pillow for side sleepers but the best pillow we've tested overall. It meets all the criteria that side sleepers need in a pillow: it provides excellent support and offers full adjustability to cater to each individual's unique anatomy.
Its fill is completely adjustable. Upon arrival, it comes with enough fill for side sleepers to try as-is and a little bag of extra fill in case you need more support. Should the loft feel too high or too low, remove or add filling to achieve the perfect level of support and firmness. The Coop Original is my absolute favorite as a side sleeper. It combines comfort, support, and full adjustability. Plus, it holds Greenguard Gold and CertiPUR-US certifications. The brand offers a 100-day refund policy, so you can test it before deciding if it's right for you.
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Coop recommends washing the full pillow at least once a year. I've found that drying Coop pillows can be a bit of a challenging task. It takes a couple of hours on a low tumble dry and multiple cycles to ensure the entire pillow, including the core, is completely dry. Fortunately, the outer cover is easy to wash for more regular maintenance.
It's the best pillow for every sleeper. This pillow caters to all types of sleepers, whether your preferred sleeping position is on your back, stomach, or side. It ensures proper spinal alignment and provides necessary support to alleviate back and neck discomfort. Several members of our team have not only tested but also held on to and loved sleeping on this pillow for years. So it's no surprise that it is once again our top choice for the best overall for side sleepers and my ultimate favorite pillow.
Read our full Coop Sleep Goods Original Pillow review.
Best value
This pillow combines comfort and support. The Casper Original pillow has a unique double-layer design that offers a great balance between support and comfort at a relatively affordable price. Its down alternative fill has a luxurious airy softness, making it perfect for snuggling. The inner core offers good support while the outer shell provides a plush and cozy feel.
It has the ideal medium loft for side sleepers. Casper's pillow features a gusset that enhances its shape and ensures the support that side sleepers need to maintain proper spinal alignment. It's designed with a breathable cotton cover that keeps sleepers cool and comfortable through the night. The percale weave makes it feel luxurious and crisp. Cleaning the pillow is a breeze, as both layers can be easily washed on a gentle cycle.
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It's not adjustable and requires daily fluffing. The Casper pillow has a removable outer layer, but I do not consider it 100% adjustable. Removing that layer would significantly reduce the loft, support, and alignment that are crucial for side sleepers. Over time, this pillow may develop clumps and lumps, and Casper recommends a daily fluffing routine, which can become somewhat time-consuming. All said, as a side sleeper, my experience with the Casper Original pillow was pleasant. If you prefer a soft, plush feel, you'll love it. .
Read our full Casper Original Pillow review.
Best for neck and back pain
This U-shaped option is the best pillow for side sleepers with neck pain. The Eli & Elm Cotton Side Sleeper pillow earned our top spot in the neck pain category for its effectiveness in reducing neck pain and encouraging proper spinal alignment. It is also crafted specifically for side sleepers. The ergonomic pillow features a band around it to maintain its shape and loft. The result is a supportive foundation that alleviates excessive pressure on the shoulders without creating too much head elevation, and it's also 100% adjustable.
It actually alleviated my neck pain. The Eli & Elm Cotton Side Sleeper pillow did a great job at alleviating my neck and shoulder tension, especially after a strenuous workout. While other pillows performed decently in this category, the Eli & Elm (alongside the Coop), stood out by providing the best muscle tension relief. This can be attributed to the pillow's unique ergonomic shape, particularly the curved center that cradles the head and neck and reduces pressure on the shoulders. In my opinion, it lived up to its promises by encouraging good spinal alignment and reducing discomfort in the neck, shoulders, and back.
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It's breathable and cool. Its adjustable fill is made from a combination of natural latex noodles and polyester fibers that give it a cooling effect. It also includes a removable cover made from smooth cotton, blended with ultra-fine polyester and spandex. All materials are breathable and prevent heat retention effectively.
Combination sleepers should consider another pillow. Individuals who prefer traditional, non-shaped pillows might need some time to get used to the Eli & Elm pillow, and I wouldn't recommend it to side sleepers who also switch to sleeping on their stomach during the night, as it does not provide adequate head and neck support in that position. This pillow is on the pricier side, but it could be a worthwhile investment.
Best down
Brooklinen makes our favorite down pillow. After testing various down pillows for this review, I found the Brooklinen Down Pillow to be the most impressive. It offers an outstanding blend of loft, support, and firmness that side sleepers seek. This pillow truly has a luxurious, marshmallow-like feel unlike any other. It comes in three firmness options: plush, mid-plush, and firm. Brooklinen specifically recommends the firm option for side sleepers, as it provides the most loft.
It strikes the perfect balance of comfort and support. The ample loft ensured proper alignment, reduced shoulder pressure, and comfortably conformed to my head and neck. I especially love its flexibility; down pillows typically have a more plush, adaptable feel, and this one combines that with sufficient, lofty support. I found that it strikes a balance between malleability and sturdiness, which side sleepers will appreciate.
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Down has its downsides. Down pillows have a tendency to trap heat, which may not be the best option for people looking for a cooling pillow. However, this pillow features a 100% cotton sateen cover that not only enhances its luxurious feel but also promotes breathability. Although this pillow is supportive, it still feels very soft and plush. Individuals with larger body frames may find it slightly less ideal as the added weight could potentially cause the pillow to compress more, resulting in reduced loft and insufficient support for side sleeping.
Make sure to fluff it and clean it regularly. Down pillows, including this one, are not machine washable; they can only be spot or dry-cleaned. I strongly advise using a good cover on all pillows, especially this one. With proper care, a down pillow can last for a couple of years. Over time it may lose its loft due to the natural breakdown of the down clusters. To prevent lumps, it's best to regularly fluff and knead the pillow.
Read our full Brooklinen Down Pillow review.
Best cooling
Purple's innovative design is exceptionally breathable and cooling. Among the pillows I tested, the Purple Harmony definitely stands out in terms of cooling, making it one of the best cooling pillows. Its airflow capabilities consistently kept me cool through the night, making it an ideal choice for side sleepers who tend to sleep hot. The soft and cushiony talalay latex core, combined with the fresh mesh cover gives it an overall feeling of lightness and airiness that is incredibly comfortable.
It's one of my favorite cooling pillows of all time. This pillow does a remarkable job at staying cool and maintains a refreshing feel though the night. It's admittedly one of the best cooling pillows I've ever tested. The cooling effect is due to the combination of the tempered-neutral airy grid, ventilated latex, and moisture-wicking materials engineered to provide good temperature regulation. It does require a period of adjustment due to its distinctive build and materials, but it ultimately delivers excellent alignment and support.
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You can select from three lofts: low, medium, or tall. Purple suggests the medium-height pillow for side and combination sleepers as well as those with medium to larger frames. It provided adequate support for me, but side sleepers with larger frames may find the tall pillow more suitable.
Its feel takes some getting used to. Ironically, my personal concern with the Purple Harmony stems from its high level of innovation. It doesn't offer the familiar comfort of a soft, plush traditional pillow that I prefer, so it's not ideal for those who like to cuddle with their pillows. While the innovative engineering and cushioning technology are impressive, it may not be the best choice for those who favor a more conventional pillow. Shifting positions can also result in a noticeable bounce through the pillow, which may be disruptive to some. Still, it's worth considering if you're a side sleeper who frequently experiences overheating and is a solid option for those who haven't slept comfortably on traditional pillows.
Best latex
Latex is bouncy, firm, and breathable. While a less common material for pillows, latex offers incredible support for those who like a dense and firm pillow. As far as latex pillows go, the Brooklyn Bedding pillow is a fantastic choice. The strategically designed airways within the pillow effectively dissipate heat to further enhance temperature regulation.
It conforms to the head and neck. The Brooklyn Bedding latex pillow has lively and responsive qualities that I really enjoyed. Even though it's not particularly malleable (since it's an entire solid block of latex foam), I was pleasantly surprised by its softness and bounciness. It also offers excellent support: it consistently molds to the neck and head, relieving pressure points and reducing neck tension.
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It retains its shape and comes in two lofts. Unlike other pillows, there's no need to fluff this one, it remains free from lumps or flattening. Regardless of how much it's scrunched or rolled, it always retains its shape. While it's not adjustable, you can choose between two lofts, low and high, which are 5.75 or 7 inches, respectively.
Best body pillow
Body pillows offer a little extra support. When placed between the legs and knees, the best body pillow can help side sleepers achieve consistent body support, reduce strain, and promote spinal alignment. The Pluto Puff provides medium-firm support; it alleviates hip and knee pressure, ensuring a comfortable position for side sleepers.
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It's the perfect height for side sleepers. My husband, who struggles with sleep apnea, reported the Puff to be incredibly helpful in maintaining proper alignment on his head and neck, with just the right amount of elevation.
It stays cool and retains its shape. I particularly like that the pillow stays cool without overheating and is made with high-quality materials, including a fiber that mimics the plushness of down and a smooth, silky pillowcase. It held its shape over time while providing consistent comfort, proper spinal alignment, and reliable support.
What to look for in a pillow for side sleepers
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Selecting the perfect pillow is a highly individual decision, but for side sleepers, it's crucial to focus on key factors such as spinal alignment, head support, and overall comfort to ensure a good night's sleep. Here are the primary essential components side sleepers should keep in mind when choosing a pillow:
Loft and adjustability
Side sleepers should opt for a medium to high loft pillow to properly bridge the gap between their head and the mattress. This gap will differ from person-to-person, so we recommend opting for a pillow with adjustable fill.
Alignment
Hayden told us that good sleeping posture helps prevent stress points that may aggravate joints and connective tissue. A quality pillow should offer excellent support for the head and shoulders, ensuring proper spinal alignment while alleviating shoulder pressure without excessive head elevation.
"I coach my patients to sleep on their side with a body pillow," said Hayden. "This keeps the spine straight and aligned. A pillow under the head should be just high enough to keep the head level with the mattress. The upper arm and upper knee are to be supported by the body pillow to keep the spine straight while you sleep."
Firmness
Selecting the right pillow firmness is a matter of personal preference, but most side sleepers prefer a medium-firm feel and our picks reflect that. Your pillow should be firm enough to maintain proper spinal alignment, but not so firm that it causes discomfort or morning headaches. A good pillow should contour comfortably to the head and neck.
Materials and fill
The choice of pillow fill and materials can impact support, comfort, breathability, and maintenance. Some fills are hypoallergenic, offer improved breathability, and varying levels of support. When opting for foam fill, check that it's CertiPUR-US certified for quality assurance.
Temperature regulation
Side sleepers who get hot during the night should opt for a breathable pillow designed to regulate temperature. Some pillows even feature advanced technologies to effectively dissipate body heat.
Return policy/trial period
We recommend only considering pillows that allow you to return the product if you find it's not for you. Side sleepers may need to try multiple options to find the perfect fit, and you should give yourself at least a week to adjust to sleeping on a new pillow.
How we test pillows
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As a certified sleep science consultant with years of experience in sleep research and product reviews, I know first hand the significance of a well-equipped bedroom for a comfortable and healthy night's sleep. To delve deeper into what makes the best pillow for side sleepers, we consulted experts like Robert Hayden, DC, PhD founder of the The Iris City Chiropractic Center and Nishi Bhopal, MD, a board certified psychiatrist and sleep specialist. Using their recommendations, I conducted a comprehensive assessment by testing more than 20 of the best pillows on the market, evaluating the following key factors:
- Sleeping: I slept on each pillow for seven consecutive nights, assessing factors like sleep quality, comfort, temperature regulation, support, and spinal alignment to provide insights on each pillow.
- Materials and certifications: I noted each pillow's materials, looking for qualities like hypoallergenic properties, breathability, certifications (such as CertiPUR-US), and maintenance requirements.
- Cleaning: Pillows inevitably accumulate body oils, sweat, and dead skin, so cleaning is crucial to proper sleep hygiene. I followed cleaning instructions for each pillow and assessed washing and drying difficulty.
- Shape retention: I examined each pillow for lumps or clumping after use, noting how often they required fluffing and whether they maintained their shape and loft. This is particularly important for side-sleepers who rely on consistent support.
- Return policy/trial period: I also investigated the return policy and warranty for each pillow, as no single pillow suit's everyone needs.
Side sleeper pillow FAQs
What kind of pillow should side sleepers use?
Nishi and Hayden said that side sleepers should look for a pillow that supports the head and neck while promoting proper spinal alignment, which could help alleviate stress on joints and connective tissue. Hayden recommends putting a pillow between the knees to maintain a neutral spine position.
Do side sleepers need a soft or firm pillow?
Nishi recommends a medium-firm or firm pillow for side sleepers to maintain neutral spinal alignment.
Do side sleepers need thicker pillows?
While side sleepers need a taller pillow than other sleepers, Nishi advises against pillows that are too tall or thick because they can tilt the head out of alignment. Your pillow should comfortably fill the space between your head and neck.
What type of pillow is best for side sleepers with shoulder pain?
According to Nishi, a U-shaped design can relieve pressure from the neck and shoulders. Hayden also recommends selecting a pillow that adequately supports the distance between shoulder and head. If your pillow is too thin, your head and neck are crunched together. If the pillow is too thick, your head is tilted and can strain your neck.
Should side sleepers sleep with a pillow between their knees?
Hayden does recommend sleeping with a pillow placed between the knees to relieve stress on the body and keep the spine in alignment.
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