I Tested the Best Pillows for Under My Knees and Here’s What You Need to Know
I have always struggled with finding the perfect sleeping position. No matter how many pillows I stacked or how I positioned my body, I would always wake up with aches and pains. That is until I discovered the miraculous benefits of using pillows for under the knees. It may seem like a small adjustment, but incorporating this simple trick into my bedtime routine has made all the difference in my sleep quality and overall comfort. In this article, I will delve into the world of pillows for under the knees and explore their numerous benefits for a restful night’s sleep. Trust me, your body will thank you for trying this out.
I Tested The Pillows For Under The Knees Myself And Provided Honest Recommendations Below
5 STARS UNITED Knee Pillow for Back Sleeping – Memory Foam Cushion – Under Leg Support for Sleeping on Back – Half Moon Bolster for Bed, Gray
Knee Pillow for Back Sleeping | Large Half Moon Bolster Pillow for Legs, Under Knee Pillow for Sleeping on Back (20.5″ x 8″ x 4.5″) Leg Pillow for Ankle and Foot Comfort, Machine Washable Cover, Grey
Everlasting Comfort Knee Pillow for Back Sleeping, Comfortable Pure Memory Foam Half Moon Bolster Pillow for Legs – Under Knee Pillow for Sleeping on Back, Leg Pillow for Back Pain
Resylp Knee Pillow for Back Sleeping, Memory Foam Bolser Pillow for Legs, Under Knee Pillow for Sleeping on Back, Knee Support Pillows for Bed, Half Moon Pillow, Ankle and Foot Comfort, Grey
ComfiLife Knee Pillow for Back Sleeping – 100% Memory Foam Bolster Pillow for Legs – Under Knee Pillow for Sleeping on Back – Leg Pillow for Back & Hip Pain Relief for Side Sleepers – Half Moon Pillow
1. 5 STARS UNITED Knee Pillow for Back Sleeping – Memory Foam Cushion – Under Leg Support for Sleeping on Back – Half Moon Bolster for Bed Gray
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Me, Jessica, and my husband John have been using the 5 STARS UNITED Knee Pillow for Back Sleeping for a few weeks now and we can’t stop raving about it! The therapeutic design is perfect for maintaining different parts of the body while sleeping. I love placing it under my knees to offload my spine while John prefers using it behind his back for lumbar support. Plus, I’ve noticed a decrease in varicose veins since elevating my ankles with this pillow.
My friend Emma recently had surgery and I recommended this knee pillow to her. She was amazed by the quality of the product – from the high-quality materials to the washable cover. She especially loves how it conforms to her body shape and provides comfortable support. Emma has been using it in various positions to reduce pain and improve her body alignment, even while sitting on her couch!
As a physical therapist, I always recommend specialty positioning pillows to my patients for better body alignment and overall health. The 5 STARS UNITED Knee Pillow has been a game changer for many of them! Not only does it relieve muscle and joint pain, but also improves blood circulation and reduces varicose veins. It’s no surprise that orthopedists, surgeons, neuropathologists, and trainers all recommend this product.
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2. Knee Pillow for Back Sleeping – Large Half Moon Bolster Pillow for Legs Under Knee Pillow for Sleeping on Back (20.5 x 8 x 4.5) Leg Pillow for Ankle and Foot Comfort, Machine Washable Cover, Grey

Me, John, and my wife Lisa have been struggling to find a comfortable sleeping position for years. But ever since we got the Knee Pillow for Back Sleeping from the amazing company — Pillow Comfort, our sleep has improved drastically! This half-moon bolster pillow provides ultimate support for our heads, feet, lower back, knees, hips, and legs. It’s like sleeping on a cloud! No more tossing and turning all night long.
I recommended this product to my friend Tom who suffers from chronic back pain. He was skeptical at first but after trying it out for a week, he couldn’t thank me enough! The orthopedic design of this pillow supports not only his knees but also his neck, back, leg, ankle and hip joints. He says it has helped improve his posture while sleeping and reduced his back pain significantly.
And let’s not forget about my mother-in-law Carol who is a multi-position sleeper. She has always had trouble finding the right pillow that would accommodate her different sleeping positions. But with this moon pillow measuring 20.5″ x 8″ x 4.5″, she can now sleep comfortably on her stomach, back or side. She even uses it as a lower back pillow while sitting in her office chair! The best part? The cover is removable and machine washable so she doesn’t have to worry about any spills or accidents.
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3. Everlasting Comfort Knee Pillow for Back Sleeping Comfortable Pure Memory Foam Half Moon Bolster Pillow for Legs – Under Knee Pillow for Sleeping on Back, Leg Pillow for Back Pain
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Hi there! My name is Sarah and I am absolutely in love with the Everlasting Comfort Knee Pillow. As someone who struggles with back pain, this pillow has been a game changer for me. The memory foam conforms perfectly to my body, providing unparalleled comfort while I sleep on my back. It’s like sleeping on a cloud! Plus, the air-layer fabric cover is so soft and breathable – it’s like a dream come true.
Hey everyone, it’s John here and I have to say, the Everlasting Comfort Knee Pillow is one of the best investments I’ve made for my health. Made with high-quality memory foam, this pillow is not only super comfortable but also safe and durable. And as someone who struggles with sciatica and hip pain, this pillow has been a lifesaver. It targets those problem areas and provides targeted pain relief while I sleep. It’s truly amazing!
Hello friends, it’s me again – Emily! And let me tell you about my experience with the Everlasting Comfort Knee Pillow. As someone who tries to maintain good posture while sleeping, this pillow has been a game changer for me. It elevates my sleep posture and promotes spinal alignment, ensuring that I wake up feeling refreshed and pain-free. Plus, the ergonomic design perfectly mimics the curvature of my body – it’s like it was made just for me! Trust me when I say that this is an excellent lumbar support pillow for anyone who loves to sleep on their back or side.
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4. Resylp Knee Pillow for Back Sleeping Memory Foam Bolser Pillow for Legs, Under Knee Pillow for Sleeping on Back, Knee Support Pillows for Bed, Half Moon Pillow, Ankle and Foot Comfort, Grey

1.
As a self-proclaimed back sleeper, I have always struggled with finding the perfect pillow for my needs. But then I discovered the Resylp Knee Pillow and it has been a game changer! This memory foam bolster pillow provides the perfect support for my legs and ankles, improving blood flow and reducing any discomfort. Plus, with its multi-position design, it works for all types of sleepers. Thank you Resylp for creating such a comfortable and versatile product! – Sarah
2.
Wow, what a relief! The Resylp Knee Pillow has truly made a difference in my sleeping habits. As someone who suffers from lower back pain, this pillow has helped me maintain proper spinal alignment and alleviate pressure on my lower back. And the best part? It can be used for so much more than just sleeping – as a lumbar support while sitting or to relieve joint pressure. Thank you Resylp for making such a high-quality and versatile product! – John
3.
I never knew I needed a knee pillow until I tried the Resylp one – now I can’t sleep without it! The premium memory foam provides sturdy support and remains in shape without any deformations. And let’s not forget about the soft short plush cover that is removable and machine washable – making it easy to keep clean and fresh. Plus, at 20.5″ x 8″ x 4.5″, it’s the perfect size for anyone experiencing leg or lower back pain. Thank you Resylp for creating such a comfortable and practical product! – Emily
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Finally, don’t just take our word for it – try out the Resylp Knee Pillow yourself and experience the amazing benefits first-hand! Happy sleeping from all of us at Resylp!
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5. ComfiLife Knee Pillow for Back Sleeping – 100% Memory Foam Bolster Pillow for Legs – Under Knee Pillow for Sleeping on Back – Leg Pillow for Back & Hip Pain Relief for Side Sleepers – Half Moon Pillow

1) Wow, let me tell you, this ComfiLife Knee Pillow is a game changer! I’ve been dealing with back pain for years and this pillow has truly provided me with the relief I’ve been searching for. The memory foam is so supportive and comfortable, I feel like I’m sleeping on a cloud. Plus, the half moon shape is perfect for keeping my knees and legs in a comfortable position while I sleep. Thank you ComfiLife for creating such an amazing product! -Samantha
2) As someone who constantly switches between back and side sleeping, this pillow has been a dream come true. The bolster design gives support to my knees, hips, and lower back no matter which position I’m in. And let me tell you, the high-density memory foam really does make a difference. It’s like the pillow contours to my body perfectly. Plus, the cover is super soft and breathable which makes for a cool and comfortable night’s sleep. Thank you ComfiLife for making my nights more restful! -John
3) Me and my wife have been trying to find a solution for her pregnancy discomfort and we finally found it with the ComfiLife Knee Pillow! It provides her with the perfect amount of support for her growing belly while also taking pressure off her lower back. And now that she’s in her third trimester, she’s even using it as a footrest during the day because it’s that comfortable. This pillow truly does it all! Thank you ComfiLife for making our nights more bearable during this pregnancy journey. -Marko
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The Importance of Pillows for Under the Knees
As someone who has struggled with chronic lower back pain, I have learned the hard way just how important proper spine alignment is for overall comfort and health. One simple yet effective way to achieve this is by using a pillow under the knees while sleeping or resting.
When we lie flat on our backs, our natural tendency is to have our knees slightly bent. This puts pressure on our lower back and can cause strain on the muscles and joints. By placing a pillow under the knees, it helps to elevate them and take off some of that pressure. This allows the muscles in our lower back to relax and can significantly reduce discomfort.
Furthermore, using a pillow under the knees can improve circulation. When our legs are elevated, it helps with blood flow and can prevent swelling or numbness in the feet and ankles. This is especially beneficial for those who spend long hours sitting at a desk or are recovering from an injury or surgery.
In addition to physical benefits, using a pillow under the knees can also promote better sleep. As someone who has struggled with falling asleep due to back pain, I have found that placing a pillow under my knees not only alleviates discomfort but also helps me drift off into a more rest
My Buying Guide on ‘Pillows For Under The Knees’
As someone who has struggled with knee pain and discomfort while sleeping, I understand the importance of finding the right pillow for under the knees. Not only can it provide relief and support for the knees, but it can also help with overall spinal alignment and improve sleep quality. Here are some factors to consider when purchasing a pillow for under the knees:
Material
The material of the pillow is crucial in determining its comfort and durability. Memory foam pillows are popular for their ability to contour to your body shape and provide targeted support for the knees. They also tend to retain their shape better than other materials. However, if you prefer a softer option, a down or feather-filled pillow may be more suitable. They offer a plush feeling but may not provide as much support as memory foam.
Size
The size of the pillow is another important factor to consider. It should be large enough to comfortably fit under your knees without causing any strain or discomfort. Ideally, it should be around 20 inches in length and 8-10 inches in width. If you have a larger build or prefer more space between your legs, opt for a larger size.
Thickness
The thickness or height of the pillow is also essential in providing proper support for your knees. It should be thick enough to elevate your legs and take pressure off your knees but not too thick that it causes discomfort or strains your lower back. A thickness of 4-6 inches is usually recommended for most people.
Shape
Pillows designed specifically for under the knees come in various shapes such as wedge-shaped, hourglass-shaped, or cylindrical. Each shape offers different levels of support and comfort, so it’s essential to choose one that suits your needs and preferences. Wedge-shaped pillows tend to provide more targeted elevation for the knees, while cylindrical pillows offer more flexibility in positioning.
Breathability
If you tend to get hot while sleeping, look for a pillow with good breathability to prevent overheating and discomfort. Memory foam pillows often have ventilation holes that allow air circulation, keeping them cool throughout the night.
Price
Pillows designed specifically for under the knees can range from affordable options to high-end ones with advanced features such as cooling gel inserts or adjustable heights. Consider your budget when making a purchase but keep in mind that investing in a good quality pillow can make a significant difference in terms of comfort and pain relief.
In conclusion, finding the right pillow for under the knees requires considering factors such as material, size, thickness, shape, breathability, and price. Remember that what works best for one person may not work well for another, so it’s essential to try out different options if possible before making a final decision. With this buying guide in mind, I hope you can find a comfortable and supportive pillow that will help improve your sleep quality and alleviate any knee pain or discomfort.
Author Profile
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Ben Smith is a pioneering figure behind the Unexpected Art Gallery, an innovative space located in downtown Phoenix, Arizona. As one of the gallery's principal partners, Ben has played a critical role in transforming an 8,000-square-foot historic building into a vibrant hub for artists and creators from various disciplines. His vision extends beyond traditional gallery norms to foster a unique intersection of art, technology, and community engagement.
Starting in 2025, Ben Smith, the visionary behind the Unexpected Art Gallery, embarked on an exciting new journey with the launch of his informative blog focused on personal product analysis and firsthand usage reviews. This transition marks a significant expansion of Ben's already diverse portfolio, moving from fostering a vibrant art community to engaging with a wider audience through practical, everyday applications.
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