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Our live chat and phone hours are Monday - Friday: 9am to 6pm PST, Saturday - Sunday: 12pm to 4pm PST.
Frequently Asked Questions
Contrary to what some might believe, the Comfort Channel is not conducive to numbness or tingling in your arm. When a body part β€œfalls asleep”, as the saying goes, it is due to lack of circulation, or not enough blood reaching the body part. When your arm starts to tingle or loses feeling it is caused by a position you are in that is cutting off this necessary circulation that supplies oxygen to the nerves that run between your neck and your arm. Nerves have their own blood supply, so pressure on a nerve cuts off that blood supply and the nerve becomes starved for oxygen and shuts down. This happens often on traditional flat mattresses as you are forced to overextend your shoulders and arms into positions in which they are not meant to rest, which can cut off this circulation. While side sleeping on a flat mattress you are forced to apply unavoidable pressure on these body parts which results in the discomfort and lack of circulation that can cause this numbness. The SONU Sleep System’s patented Comfort Channel design helps to greatly relieve these pressures on your arms, and with this relief comes improved circulation and reduced chances of numbness.

Some may look at the SONU design and believe that because your arms are below the rest of your body, you may have an increased risk of circulation issues or numbness. This is a common misconception, but is not the case - here’s why. Your arms are naturally below your heart when you are upright, walking or sitting, throughout the day. Your arms never tingle in this position because they are receiving the correct amount of circulation. The Comfort Channel enables your arms to also rest below your heart, as if you were upright, resulting in your arms receiving the correct amount of circulation – which actually reduces the chances of circulation issues or numbness, compared to flat mattresses. We have designed the Comfort Channel system with all of this in mind. You will be impressed at the elevated level of comfort and truly deep sleep you will enjoy on your SONU, enabled in part by the improvement in circulation your body will experience.

For more information about the causes of circulation issues and numbness while sleeping, please visit: https://www.sleepfoundation.org/physical-health/numbness-in-hands-while-sleeping
When we set out on this journey to create the world’s first mattress for side sleepers that incorporates groundbreaking innovations unlike anything else on the market, we had to fight against the grain in an industry that hasn’t changed much in decades - all while battling dramatically increased cost of goods, shortage of labor and supply chain delays caused in large part by the pandemic. Other companies selling traditional flat mattresses that consist of only a few parts, buy low quality goods in bulk and manufacturer their products overseas, while incorporating corner-cutting processes into their production. By vast contrast, we create each SONU Sleep System by hand, as our design requires 26 custom components, top quality materials and the highest level of detail at which we hold ourselves as a brand. Every SONU is assembled by our skilled technicians in our factory in California, then thoroughly inspected before we package with care and FedEx to your door. This is why our products have a higher price than some others on the market – everything about SONU is entirely unique and of the highest quality – and you feel these incredible advantages every night when you immerse into comfort. You will discover that no other mattress even comes close.

We’ve partnered with the financing company, Affirm, to be able to offer attractive monthly payment options. If this is something you’re interested in, it is good to note that Affirm extends your timeline and drops your monthly payment amount when your total is above $3,000. For example, if you select a queen size SONU and want to get our advertised $84 per month, then add an accessory to your cart (a Top Pillow Deluxe or our Mattress Removal option perhaps) so your total is just above $3,000 – then you will see the monthly payment price decrease. Once everything looks good, proceed by checking out and selecting β€˜Affirm’ when you get to the payment section.

We just know you’ll be amazed with how our invention will transform your quality of sleep and rejuvenate you every night. We truly hope you join us and embark on a new chapter of comfort in your life.

Thank you so very much and sweet dreams,
The SONU Sleep Team

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We are currently shipping mattresses within 3 to 5 days! SONUs are made-to-order, so on occasion it may take a little more time to get to you, as they’re not sitting in a warehouse collecting dust. The mattress, once compressed, will ship directly to your door. You will be emailed a tracking number as soon as your order ships.
FedEx will deliver your SONU to your door, no signature required.
You can pair the SONU with any platform, box spring, bed frame or simply the floor, as long as the headboard area of the mattress is flush against a solid surface for support. We also highly recommend using an adjustable foundation.
Every SONU’s height is 14 inches, while the width and length dimensions are the same as standard U.S. mattress sizes. The Comfort Channel dimensions describe the negative space in the mattress, while the Support Pillow dimensions describe a single pillow, of the 2 for Twin XL and 4 for Queen, King and Cali King, that are stacked in the Channel.

Twin XL
OVERALL: 38” x 80” x 14”
COMFORT CHANNEL: 30” x 14” x 10”
2 SUPPORT PILLOWS: 28” x 11.5” x 5.2”

Queen
OVERALL: 60” x 80” x 14”
COMFORT CHANNEL: 52” x 14” x 10”
4 SUPPORT PILLOWS: 24” x 11.5” x 5.2”

King
OVERALL: 76” x 80” x 14”
COMFORT CHANNEL: 68” x 14” x 10”
4 SUPPORT PILLOWS: 32” x 11.5” x 5.2”

Cali King
OVERALL: 72” x L: 84” x H: 14”
COMFORT CHANNEL: 64” x 14” x 10”
4 SUPPORT PILLOWS: 30” x 11.5” x 5.2”

All dimensions above are in inches and formatted as follows: Width x Length x Height.
For more details visit our Size Guide page.
The SONU comes with a 100 Night Trial, so you can try it at home and decide if it's the right fit for you. If you don't love it, return it within 100 nights.

For more details visit the 100 Night Trial page.
The SONU is currently only available in the United States.
Everyone Loves Their SONUs
Thank YOU! Best mattress out there.
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β€œAfter being a gymnast for 15 years, I haven't felt this much relief from the pain in my shoulders and my hips while sleeping!! Thank you!”
Steph C.
VERIFIED BUYER
YUMA, AZ
Highly recommended!
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β€œCreates the perfect space for your arm if you're a side sleeper. Changed the way I sleep forever.”
Justin S.
VERIFIED BUYER
ENTERPRISE, MS
AMAZING
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β€œSo I actually own one of these. It's AMAZING. Yes it will take you a few weeks to get "used" to it... But that said, you will be AMAZED at how great your shoulders feel in the morning. Just unreal. Like sleep a full 8 hours without waking up type of sleep.”
Jason R.
VERIFIED BUYER
Buffalo, NY
Excellent!
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β€œI have very bad neck and back issues and this mattress is a dream! If you are a side sleeper you will love it and even if you like to sleep on you back you will love it! Very comfortable and totally worth the money!”
Grace L.
VERIFIED BUYER
MARTINSVILLE, VA
Fantastic!
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β€œi have suffered from shoulder pain while sleeping for several years, i had just about given up... then i saw this bed and decided one last try. i can't begin to explain what it feels like to sleep through an entire night... for the first time in 20 years the first weekend i had it. I'm so impressed with this bed... because what they are making is making a difference in people's lives.”
Crystal G.
VERIFIED BUYER
NEW PALEST., IN
Lives up to the hype
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β€œThis comfort channel they made is next level. I never imagined that I would be able to put my arm in the mattress. Takes all the pressure off my shoulder, which I so so need. YES”
Kim J.
VERIFIED BUYER
CAPE CORAL, FL
Highly recommended!
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β€œI’m a side sleeper and I used to wake up with a dead feeling arm from lying on it all night. Finally a mattress with a pocket for my arm. I tried all the pillows and even very expensive mattresses in the past, but nothing cured my circulation problems until I got the sonu sleep mattress. I love it!”
Nic D.
VERIFIED BUYER
Chicago, IL
Fantastic!
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β€œ...Sonu mattresses are in a league all by themselves. This is the most comfortable bed I have ever slept on. I have no more shoulder pain and numbness. I can now sleep through the night and not wake up in pain. If anyone is even thinking about getting a Sonu sleep system don’t think anymore. Pull that trigger. I 100% gaurentee you will not be disappointed.”
Christopher B.
VERIFIED BUYER
GRANTVILLE, PA
Designed To Work Together
The SONU Sleep System

It is finally time to immerse into comfort, and sleep like never before.

The SONU Sheets

Soft, cooling and sustainable, with the Comfort Channel built in to fit your SONU.

The SONU Top Pillow Deluxe

The perfect amount of support and malleability to complement your SONU.

Try For 100 Nights

If the SONU Sleep System somehow isn't for you, let us know and we'll come and get it.

  • Free Shipping

  • In-Home Trial Period

  • Hassle-Free Returns