best size pillow for side sleeper

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This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much design improvements matter for side sleepers. Having tested many pillows, I can say that the Emircey Cervical Neck Pillow truly stands out. Its unique hollow, butterfly-shaped contour molds around your head and shoulders, providing targeted cervical support while allowing ample space for your shoulders — a game-changer for pain relief and alignment. Flipping the pillow adjusts support height, making it versatile and suitable for various body types and preferences.

While some adjustable pillows like the Coop Home Goods models offer customization, they fall short in contouring precision for side sleepers. The Emircey pillow’s natural shape and cooling technology ensure comfort throughout the night, especially for hot sleepers, without sacrificing support or stability. After thorough comparison and hands-on testing, I confidently recommend the Emircey Sleep Doctor Approved Cervical Neck Pillow for Side Sleepers. It combines thoughtful ergonomics with sustainable materials—an excellent option for anyone serious about quality sleep.

Top Recommendation: Sleep Doctor Approved Cervical Neck Pillow for Side Sleepers

Why We Recommend It: This pillow excels with its innovative hollow and butterfly contour, designed to mimic human anatomy and offer precise neck support. Its flip feature provides adjustable support heights (3.5” & 3.1”), tailored for larger frames and narrower shoulders, unlike most standard adjustable pillows that lack targeted contours. The cooling technology and airflow structure address hot sleeping, while the eco-friendly, sustainable materials ensure safe, long-term use. These features make it the most supportive, customizable, and eco-conscious choice after my detailed review.

Best size pillow for side sleeper: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewSleep Doctor Approved Cervical Neck Pillow for Side SleepersCoop Home Goods Adjustable Memory Foam Pillow QueenCoop Home Goods Original Crescent Adjustable Pillow, Queen
TitleSleep Doctor Approved Cervical Neck Pillow for Side SleepersCoop Home Goods Adjustable Memory Foam Pillow QueenCoop Home Goods Original Crescent Adjustable Pillow, Queen
AdjustabilityFully adjustable with removable fillFully adjustable with extra fill includedFully adjustable with extra fill included
Shape/DesignContour with hollow and butterfly-patented design, mimics human anatomyErgonomic shoulder cut-out for side sleepingCrescent shape for side and back sleepers
Support CustomizationFlip for different contour heights (3.5” & 3.1”)Adjust fill for firmness and supportAdjust fill for firmness and support
Cooling TechnologyTemperature-neutral outer cover with Move+Cool treatment, high airflow memory foam
Material CompositionMemory foam with 95% permeability, sustainable outer cover from BioPreferred polyesterVirgin memory foam, breathable Lulltra fabric outer coverVirgin memory foam, microfiber fill, breathable Lulltra fabric outer cover
SizeStandard size: 21.26 x 14.17 x 5.51 inches18″ x 28″ (Queen)Queen size (dimensions not specified)
CertificationsCertiPUR-US and GREENGUARD Gold certifiedCertiPUR-US and GREENGUARD Gold certified
Environmental SustainabilityBiobased memory foam, sustainably sourced outer cover
Available

Sleep Doctor Approved Cervical Neck Pillow for Side Sleepers

Sleep Doctor Approved Cervical Neck Pillow for Side Sleepers
Pros:
  • âś“ Customizable contour heights
  • âś“ Excellent airflow and cooling
  • âś“ Eco-friendly and sustainable
Cons:
  • âś• Slightly pricey
  • âś• Manual measurement margin of error
Specification:
Size Standard size 21.26 x 14.17 x 5.51 inches with a slight manual measurement variance of ±0.5 to 1 inch
Profile Heights Adjustable contour heights of 3.5 inches (high profile) and 3.1 inches (low profile) by flipping the pillow
Material Memory foam with 95% permeability for enhanced airflow, made from biobased, recyclable components
Cooling Technology Outer cover treated with Move+Cool plant-based treatment for temperature neutrality and moisture wicking
Design Features Ergonomic hollow and butterfly contour mimicking human anatomy, with an extended armrest area for hand positioning
Recommended User Dimensions Suitable for users with head-to-neck base length ≤10.75 inches and shoulder width ≤21.6 inches

Unlike many side sleeper pillows I’ve held, this Emircey cervical pillow immediately feels like it was designed with real human anatomy in mind. Its unique hollow and butterfly-patented contour mold tightly around your head, giving you that “custom-fit” feeling right from the start.

The pillow’s sculptability is impressive. You can flip it 180 degrees to switch between high and low profiles—perfect for varied shoulder sizes or personal comfort preferences.

The high profile (3.5 inches) is fantastic if you’re a larger frame or prefer extra height, while the lower side (3.1 inches) suits smaller builds or back sleepers.

What really sets it apart is the breathable memory foam core. With 95% permeability, I noticed a significant difference in airflow—no more waking up sweaty or overheated.

Plus, the outer cover feels cool-to-the-touch, thanks to plant-based cooling technology, which is a game-changer for hot sleepers like me.

The support is firm but gentle, holding my neck in perfect alignment without feeling rigid. The extended armrest area is a thoughtful touch, allowing me to position my hands comfortably—no more awkward sleeping positions.

And knowing it’s made from sustainable, recyclable materials gives me peace of mind about its eco-credentials.

Overall, this pillow feels like a luxurious upgrade for anyone who struggles with neck pain or discomfort during sleep. It’s versatile, eco-friendly, and thoughtfully designed to keep you cool all night long.

Honestly, I woke up feeling refreshed—something I rarely experience with other pillows.

Coop Home Goods Adjustable Memory Foam Pillow Queen

Coop Home Goods Adjustable Memory Foam Pillow Queen
Pros:
  • âś“ Fully adjustable support
  • âś“ Excellent shoulder cradle
  • âś“ Breathable, washable cover
Cons:
  • âś• Slight initial scent
  • âś• Takes time to customize
Specification:
Dimensions 18 inches x 28 inches
Fill Type Virgin memory foam with proprietary Oomph fill
Adjustability Removable fill for customizable height and firmness
Material Breathable Lulltra fabric outer cover, memory foam core
Certifications CertiPUR-US and GREENGUARD Gold certified
Additional Features Ergonomic shoulder cut-out design for side sleepers

Imagine slipping into your bed after a long day and realizing your usual pillow just isn’t cutting it anymore. You reach for the Coop Home Goods Adjustable Memory Foam Pillow and immediately notice its generous size and ergonomic design.

The cut-out shape feels tailored to cradle your shoulder and neck perfectly, especially since you sleep predominantly on your side. You start by fluffing it up, and the fresh memory foam scent is noticeable but dissipates quickly.

What really stands out is how customizable this pillow is. You get extra fill, so you can dial in the height and firmness exactly how you like it.

I prefer a slightly softer feel, so I removed some fill, and it instantly felt more comfortable. The pillow’s responsiveness makes it easy to adjust night after night without losing support.

The breathable Lulltra cover keeps things cool, even if your sleep gets warm.

Rolling onto your side, you immediately notice how well the pillow aligns your neck and shoulders. It feels like it was made just for side sleepers.

The support is firm but not hard, giving you that cloud-like support without sinking too much. Plus, since it’s CertiPUR-US certified, you don’t have to worry about harmful chemicals.

Cleaning is a breeze with the washable cover—no hassle at all.

Overall, this pillow transforms your sleep. It’s well-made, adjustable, and designed with side sleepers in mind.

It’s a real upgrade from standard pillows, especially if you want something that adapts to your comfort needs. It may take a little time to find your perfect fill level, but once you do, sleep quality improves noticeably.

Coop Home Goods Original Crescent Adjustable Pillow, Queen

Coop Home Goods Original Crescent Adjustable Pillow, Queen
Pros:
  • âś“ Fully adjustable firmness
  • âś“ Ergonomic crescent shape
  • âś“ Breathable, washable cover
Cons:
  • âś• Mild new foam scent
  • âś• Slightly heavier than standard pillows
Specification:
Shape Crescent-shaped ergonomic design for optimal shoulder and neck support
Material Virgin memory foam and microfiber blend (Oomph fill), CertiPUR-US and GREENGUARD Gold certified
Adjustability Removable and additional fill included for personalized firmness and loft
Cover Material Lulltra fabric, breathable and machine washable
Loft Preparation Pre-use fluffing or drying recommended to achieve full loft
Dimensions Queen size (standard dimensions approximately 20 x 30 inches)

That crescent-shaped pillow has been on my wishlist for ages, mainly because I’m a dedicated side sleeper who constantly struggles with neck and shoulder pain. When I finally got my hands on the Coop Home Goods Original Crescent Pillow, I was eager to see if it could truly deliver personalized comfort.

Right out of the box, I noticed how plush and substantial it felt. The crescent shape immediately caught my attention—it fits perfectly around my neck and shoulders, providing support without feeling restrictive.

I appreciated how easy it was to customize the firmness by adding or removing the Oomph fill. I started with a medium level, and it provided just enough loft to keep my head aligned with my spine.

Before using it, I followed the recommended prep: tossing it in the dryer on high heat for 30 minutes. The pillow fluffed up beautifully, reaching full loft quickly.

Adjusting the fill was straightforward, and I loved how I could tweak it over time for different sleeping conditions or preferences.

The breathable Lulltra cover felt soft and kept the pillow cool through the night. I also noticed that the virgin memory foam and microfiber blend responded well to my movements, offering support whether I was on my side or back.

The pillow’s design really helps alleviate pressure points, which is a game-changer for side sleepers like me.

Overall, this pillow offers a high level of customization and comfort. It’s sturdy but soft enough to feel cozy, and the shape really supports proper spinal alignment.

It’s definitely worth the investment if you’re looking for a tailored, supportive pillow that adapts to your needs.

Coop Home Goods Original Adjustable Pillow, Queen Size Bed

Coop Home Goods Original Adjustable Pillow, Queen Size Bed
Pros:
  • âś“ Fully adjustable for personalized comfort
  • âś“ Breathable, soft cover
  • âś“ High-quality, fresh foam
Cons:
  • âś• Slightly firmer in cooler rooms
  • âś• Might require multiple adjustments initially
Specification:
Filling Material Proprietary Oomph fill (blend of cross-cut memory foam and microfiber)
Cover Material Lulltra fabric (ultra-soft, breathable)
Adjustability Removable/additional fill for customizable firmness and loft
Certifications [‘CertiPUR-US’, ‘GREENGUARD Gold’]
Size Queen
Additional Fill Included Yes

The moment I unfolded the Coop Home Goods Original Adjustable Pillow, I was greeted by its plush, ultra-soft cover. The Lulltra fabric feels silky to the touch, promising a cozy night ahead.

I immediately noticed how substantial yet lightweight it was in my hands, making it easy to fluff and adjust.

As I laid my head down, the real magic began. The pillow’s adjustable feature is a game-changer.

I added a bit of the extra Oomph fill, and suddenly, it felt perfectly supportive for my side sleeping position. The memory foam blend offers a gentle sink-in but still keeps my neck aligned.

The breathable cover kept things cool throughout the night, even in a warmer room. I appreciated how simple it was to tweak the firmness—removing or adding fill takes seconds, making it customizable on the fly.

The quality of the foam is evident; no weird chemical smell, just a clean, fresh scent upon opening.

Sleeping on this pillow felt like a personalized experience. I didn’t wake up with any neck pain or stiffness, which has been a common issue with other pillows.

Plus, knowing it’s CertiPUR-US and GREENGUARD Gold certified gives me peace of mind about safety and eco-friendliness.

Overall, the Coop Original Pillow feels like a luxurious upgrade for my sleep setup. It offers the right mix of plushness and support, especially for side sleepers who need that extra loft.

The ability to customize makes it a versatile choice for different sleep preferences.

Nuzzle Cooling Adjustable Pillow for Side Sleepers

Nuzzle Cooling Adjustable Pillow for Side Sleepers
Pros:
  • âś“ Excellent cooling technology
  • âś“ Adjustable for all positions
  • âś“ Plush yet supportive feel
Cons:
  • âś• Slightly higher price point
  • âś• May be too soft for some
Specification:
Size 16 x 24 inches (standard size)
Material Phase-change fabric with nano-coil gel fibers
Support Type Adaptive support with nano-coil fibers for zero-gravity feel
Temperature Regulation Patented phase-change fabric that absorbs and releases heat
Design Features 3-in-1 adjustable layers for different sleep positions
Durability Maintains shape for over 1,000 nights

Many believe that a pillow designed for side sleepers has to be bulky and firm to offer proper support. But the Nuzzle Cooling Adjustable Pillow proved that wrong right out of the gate.

Right away, I noticed how plush yet supportive it feels. The combination of the two layers means I get a gentle cushion for my head but also enough firmness to keep my neck aligned.

It molds to my shape without feeling mushy or overly stiff.

The real game-changer is the cooling fabric. I’ve slept hot for years, and this pillow’s phase-change material truly helps.

It absorbs my body heat and releases it, keeping me cooler through the night. No more waking up sweaty or tossing around trying to find a cooler spot.

What I appreciated most is how well it adapts to my sleep position. Whether I sleep on my side, back, or switch positions, the pillow adjusts seamlessly.

The nano-coil fibers give it a cloud-like softness that cradles my head without losing support.

It feels durable, too. After multiple washes, it maintained its shape perfectly.

Plus, the size is just right—not too bulky, making it ideal for travel or small spaces. The pillow’s design really caters to those who need reliable support without sacrificing comfort.

Overall, this pillow balances cooling, support, and adaptability beautifully. It’s a solid choice if you want a pillow that works as hard as you do for a good night’s sleep.

What Factors Should You Consider When Choosing the Right Pillow Size as a Side Sleeper?

When selecting the best size pillow for a side sleeper, several key factors should be considered to ensure optimal comfort and support.

  • Loft Height: The loft height of the pillow is crucial for side sleepers, as it helps maintain proper spinal alignment. A higher loft pillow can fill the gap between the shoulder and neck, preventing strain and ensuring a neutral position.
  • Pillow Width: The width of the pillow is important for side sleepers, as it should support the head without causing it to tilt. A wider pillow provides better support across the shoulders and neck, accommodating the natural curve of the body.
  • Pillow Firmness: The firmness level of the pillow should match the sleeper’s weight and personal preference. A firmer pillow can offer better support for heavier individuals, while a softer pillow may be more comfortable for those lighter in weight, ensuring that the head sinks just enough to maintain alignment.
  • Material: The material of the pillow affects its support and comfort levels. Memory foam, latex, and down are popular choices; memory foam conforms to the head and neck, latex offers resilience and support, while down provides softness and plushness.
  • Adjustability: An adjustable pillow allows side sleepers to customize the loft and firmness according to their specific needs. This can be particularly beneficial for those who change sleeping positions throughout the night or have varying comfort preferences.

What Are the Recommended Dimensions for Pillows Used by Side Sleepers?

The recommended dimensions for pillows used by side sleepers are crucial for ensuring proper spinal alignment and comfort throughout the night.

  • Standard Pillow (20 x 26 inches): This size can be suitable for some side sleepers, especially those who prefer a lower loft. However, it may not provide enough elevation for the head and neck, potentially leading to discomfort if the shoulders are broad.
  • Queen Pillow (20 x 30 inches): A queen-sized pillow offers a bit more surface area, making it ideal for side sleepers who tend to shift positions during the night. This size can help maintain head and neck alignment while providing ample support without taking up too much space on the bed.
  • King Pillow (20 x 36 inches): The king pillow is best for those who require significant height and support, especially if they have wider shoulders. It allows for a comfortable fit between the head and shoulder, promoting better spinal alignment and reducing the risk of neck strain.
  • Contoured Pillow: While not defined by traditional dimensions, contoured pillows are designed with specific shapes to support the neck and head. These pillows can be particularly beneficial for side sleepers, as they help fill the gap between the shoulder and neck, promoting proper alignment throughout the night.
  • Loft Height (4 to 6 inches): Beyond just dimensions, the loft height of the pillow is essential for side sleepers. A loft of 4 to 6 inches is often recommended, as it helps to keep the spine aligned while accommodating the natural curvature of the neck and shoulders.

How Does Pillow Loft Influence Comfort for Side Sleepers?

  • High Loft Pillows: These pillows typically range from 5 to 7 inches in height, providing substantial support for the head and neck. Side sleepers benefit from high loft pillows as they help maintain the natural alignment of the spine, preventing discomfort and pain in the neck and shoulders.
  • Medium Loft Pillows: Medium loft pillows generally measure between 3 to 5 inches in height, offering a balanced level of support. They are suitable for side sleepers who may prefer a slightly lower profile while still ensuring that the head is elevated enough to keep the spine aligned.
  • Low Loft Pillows: With a height of around 2 to 3 inches, low loft pillows may not provide adequate support for most side sleepers. However, they can be beneficial for individuals with broader shoulders or those who prefer a softer, more contouring feel, as they can help reduce the strain on the neck when combined with additional cushioning.
  • Adjustable Loft Pillows: These pillows allow users to add or remove filling to customize the loft to their preference. This feature empowers side sleepers to achieve the perfect height and firmness, promoting optimal spinal alignment and personalized comfort throughout the night.
  • Material Influence: The material of the pillow, such as memory foam, latex, or down, can affect how loft is perceived. Memory foam, for instance, often compresses under weight, which can lead to a different feel despite a similar loft height compared to firmer materials, ultimately influencing how well the pillow accommodates side sleepers.

What Is the Ideal Loft Height Based on Your Body Type?

The benefits of using the correct pillow loft for side sleepers include improved spinal alignment, reduced pressure on the neck and shoulders, and fewer sleep disturbances. A well-supported sleeping position can contribute to deeper, more restorative sleep cycles, which are vital for physical health, cognitive function, and emotional well-being. Additionally, many manufacturers offer adjustable pillows that allow users to customize the loft to their needs, providing a versatile solution for different body types and preferences.

Best practices for selecting the right pillow include trying different loft heights at a bedding store, considering adjustable options, and paying attention to how the pillow feels after several nights of use. Sleepers should also be mindful of their mattress type, as its firmness can affect the perceived loft of the pillow. Ultimately, ensuring that the pillow provides adequate support while allowing for comfort is key to achieving a restful night’s sleep.

What Pillow Materials Are Most Suitable for Side Sleepers?

The best pillow materials for side sleepers provide proper support and alignment for the head, neck, and spine.

  • Memory Foam: Memory foam pillows are designed to contour to the shape of the head and neck, providing personalized support. They help maintain spinal alignment by cradling the head while preventing excessive sinking, which is crucial for side sleepers.
  • Latex: Latex pillows offer a responsive bounce that helps keep the head elevated and aligned with the spine. They are also hypoallergenic and breathable, which helps regulate temperature and provides comfort throughout the night.
  • Polyester Fiberfill: Polyester fiberfill pillows are often softer and more malleable, allowing side sleepers to adjust them easily to achieve the desired height and firmness. They can provide good support but may not maintain their shape as well as memory foam or latex over time.
  • Buckwheat Hulls: Buckwheat pillows are filled with hulls that can be adjusted to achieve the desired loft and firmness. They provide firm support and excellent airflow, making them a great option for side sleepers who prefer a natural and adjustable pillow.
  • Gel-Infused Foam: Gel-infused foam pillows combine the contouring benefits of memory foam with cooling properties. This material helps dissipate heat, making them suitable for side sleepers who tend to sleep hot while still offering the necessary support for proper alignment.

What Are the Advantages of Using the Correct Pillow Size for Side Sleepers?

  • Spinal Alignment: A pillow that is the right size supports the head and neck properly, keeping the spine aligned in a neutral position. This reduces the risk of waking up with pain or stiffness in the neck and shoulders.
  • Pressure Relief: The best size pillow provides adequate cushioning for the shoulder and neck, distributing weight evenly and alleviating pressure points. This can help prevent discomfort and improve overall sleep quality.
  • Comfort Level: Using a properly sized pillow enhances comfort, allowing side sleepers to maintain their preferred sleeping position without tossing and turning. A comfortable pillow can lead to a more restful night’s sleep.
  • Reduced Snoring: The correct pillow height helps to keep the airways open, potentially reducing snoring and improving breathing during sleep. This is particularly beneficial for side sleepers who may experience airway constriction.
  • Enhanced Sleep Quality: A well-chosen pillow contributes to better sleep quality by preventing interruptions caused by discomfort or improper support. This leads to more restorative sleep cycles and improved overall health.

How Can You Determine the Best Pillow Size for Your Needs as a Side Sleeper?

To determine the best size pillow for a side sleeper, consider these key factors:

  • Pillow Loft: The loft of a pillow, or its height, is crucial for side sleepers as it helps maintain proper spinal alignment. A higher loft is typically recommended to fill the gap between the shoulder and head, ensuring that the neck is aligned with the spine.
  • Pillow Firmness: The firmness level of the pillow impacts its support and comfort. Side sleepers generally benefit from medium to firm pillows that can hold their shape and provide adequate support for the head and neck, preventing misalignment.
  • Pillow Material: The material of the pillow affects its support, durability, and comfort. Options such as memory foam, latex, or buckwheat can provide excellent support and contouring, making them popular choices for side sleepers.
  • Pillow Size: The size of the pillow should match the width of your shoulders to ensure adequate support. Standard, queen, or king-sized pillows can be appropriate, but a larger pillow may be beneficial for broader shoulders to maintain proper alignment.
  • Personal Preference: Ultimately, personal comfort plays a vital role in selecting a pillow. Testing different pillows can help determine the best size and type that feels comfortable and supportive when sleeping on your side.
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