What's Included

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Comfort Channel Built In

The SONU Mattress Protector is custom-made to fit the unique negative space of the SONU Sleep System. Please note that no other mattress protector is compatible with the SONU mattress.

water

Waterproof Protection

The waterproof material protects the entire surface of your mattress and its Comfort Channel, keeping it clean and prolonging its life by guarding against dirt, spills and more.

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Quiet Materials

The layers of the waterproof material are soft and sound dampening, so they protect your mattress without sacrificing comfort.

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Stretch Fit

The active stretch materials hug the sides and surface of your SONU to prevent shifting during the night, while providing ample space in the Comfort Channel.

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1 Year Warranty

Guaranteed high-quality construction that lasts.

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Free Shipping

Your order includes shipping to anywhere within the continental U.S.
* Extra charge to ship to Alaska and Hawaii. We cannot ship to PO Boxes or APOs.

See Terms & Conditions for Law Labels and more details.

Mattress Protector

Name: The SONU Mattress Protector
Brand: SONU Sleep
SKU: SS441
Price: 89.0 USD
Availability: InStock
Rating: 4.8 (318 reviews)

★★★★★

Free shippingMade for SONU 1-year warranty

The SONU Mattress Protector fits over the SONU Sleep System and lines the Comfort Channel to provide waterproof protection for your entire mattress. Prevent stains and prolong the life of your SONU with our custom-made protector.

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1 Pack

2 Pack

Buy 2 and get 20% off the second

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$89

PAY MONTHLY

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Save on Essentials

Bed Frame

★★★★★

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$679 $611 10% Off

Base

★★★★★

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$319 $287 10% Off

Muslin Blanket

★★★★★

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King \/ Sage","public_title":"King \/ Sage","options":["King","Sage"],"price":27900,"weight":3538,"compare_at_price":null,"inventory_management":"shopify","barcode":"4700010044044","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":40562435817590,"title":"King \/ Pacific","option1":"King","option2":"Pacific","option3":null,"sku":"OMBKB","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"The SONU Muslin Blanket - King \/ Pacific","public_title":"King \/ Pacific","options":["King","Pacific"],"price":27900,"weight":3538,"compare_at_price":null,"inventory_management":"shopify","barcode":"4700010044051","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]
$219 $197 10% Off

Comforter

★★★★★

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$199 $179 10% Off

Comfort Insert

★★★★★

[{"id":39660342476918,"title":"Twin XL","option1":"Twin XL","option2":null,"option3":null,"sku":"SS435","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"The SONU Comfort Insert - Twin XL","public_title":"Twin XL","options":["Twin XL"],"price":9900,"weight":2449,"compare_at_price":null,"inventory_management":"shopify","barcode":"00850037565252","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":40255423479926,"title":"Full","option1":"Full","option2":null,"option3":null,"sku":"SS503","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"The SONU Comfort Insert - Full","public_title":"Full","options":["Full"],"price":8900,"weight":1905,"compare_at_price":null,"inventory_management":"shopify","barcode":"00850037565269","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39660341690486,"title":"Queen","option1":"Queen","option2":null,"option3":null,"sku":"SS433","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"The SONU Comfort Insert - Queen","public_title":"Queen","options":["Queen"],"price":8900,"weight":2132,"compare_at_price":null,"inventory_management":"shopify","barcode":"00850037565269","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39660341723254,"title":"King","option1":"King","option2":null,"option3":null,"sku":"SS437","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"The SONU Comfort Insert - King","public_title":"King","options":["King"],"price":9900,"weight":2812,"compare_at_price":null,"inventory_management":"shopify","barcode":"00850037565276","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39660342444150,"title":"Cali King","option1":"Cali King","option2":null,"option3":null,"sku":"SS439","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"The SONU Comfort Insert - Cali King","public_title":"Cali King","options":["Cali King"],"price":9900,"weight":2631,"compare_at_price":null,"inventory_management":"shopify","barcode":"00850037565283","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]
$99 $89 10% Off

Free Shipping *

Made for SONU

1 Year Warranty

What's Included

EXPAND ALL

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Comfort Channel Built In

The SONU Mattress Protector is custom-made to fit the unique negative space of the SONU Sleep System. Please note that no other mattress protector is compatible with the SONU mattress.

water

Waterproof Protection

The waterproof material protects the entire surface of your mattress and its Comfort Channel, keeping it clean and prolonging its life by guarding against dirt, spills and more.

volume_off

Quiet Materials

The layers of the waterproof material are soft and sound dampening, so they protect your mattress without sacrificing comfort.

fit_screen

Stretch Fit

The active stretch materials hug the sides and surface of your SONU to prevent shifting during the night, while providing ample space in the Comfort Channel.

verified

1 Year Warranty

Guaranteed high-quality construction that lasts.

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Free Shipping

Your order includes shipping to anywhere within the continental U.S.
* Extra charge to ship to Alaska and Hawaii. We cannot ship to PO Boxes or APOs.

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★★★★★

“...This set of sheets is really nice, it feels nice and soft and breathable... Overall I am just really digging this mattress.”

Owen Poole

Mattress Expert for CNET.com

Customer reviews

Relief nationwide.

★★★★★
Game changer
I tried many remedies but none solved my problem until I discovered the Sonu mattress with the cut out arm channels. This has become a game changer. No more shoulder pain, no more dead arms, and the most comfortable sleep I have had in years.
Christopher G.Verified ShopperFloral Park, NY

★★★★★
Finally sleeping again!
As someone with frozen shoulder in one arm and having had surgery on the other due to frozen shoulder, sleep was fleeting. I hadn't slept well for about 2 yrs until I got this mattress. It has been life changing for me!
Jessica F.Verified ShopperJohns Island, SC

★★★★★
Finally!
For 40 years I have wanted a bed with "a hole in it for my arm". Better than a hole is this design. No more pain or numbness plus it is gentler on my hip bone and better for my lower back.
Gregory O.Verified ShopperParkville, MD

★★★★★
Fantastic!
I had just about given up on thoughts of sleeping through the night ever again. I would wake up 30 to 40 times a night to adjust myself. I can't begin to explain what it feels like to sleep through an entire night.
Crystal G.Verified ShopperNew Palest., IN

★★★★★
Relief from shoulder and neck pain
I'd wake up multiple times a night because of my arm falling asleep or pressure on my hips, and then wake up with terrible neck pain. I wake much less frequently in the night, and I have no pain in the mornings!
Amy Y.Verified ShopperSparks, NV

★★★★★
Life changing
After two rotator cuff surgeries over the last 5 years I haven't been able to get a good night sleep. I was nervous about the big investment, but I'm glad I did and would recommend to anyone with shoulder problems.
Michael M.Verified ShopperTownship of Washington, NJ

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Frequently Asked Questions

No, the patented shape of the SONU Mattress Protector is required by the SONU mattress to fit into the Comfort Channel's unique negative space.

Twin XL
38" x 80" x 17"

Queen
60" x 80" x 17"

King
76" x 80" x 17"

Cali King
72" x 84" x 17"

The SONU Mattress Protector uses polyester with thermoplastic polyurethane to provide the comfortable waterproof protection, while the siding uses a blend of polyester and spandex to firmly hug the protector to your mattress.

Currently all SONU products are only available in the United States.

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Effortless side-sleeping

The Benefits of Sleeping on a Sonu.

The Negative Space Mattress Is Born

A complete guide to the design, engineering and life-changing benefits of this newly introduced technology in the sleep industry.

Chiropractor Recommended

Discover how chiropractic physicians, like Dr. James Hogan, help relieve their patients' chronic pain and discomfort with Sonu.

Customized Comfort

Sonu's modular design allows for incredible versatility, improving the comfort of any sleeping position.

NATCA Approved

Sonu is the official mattress of the National Air Traffic Controllers Association.

Best Practices

Learn how to set up the Comfort Channel, Support Pillows and sleep position for your body.

Handcrafted sleep systems

Made In The U.S.A.

The SONU Sleep System was designed and developed in California, and is manufactured only in the United States with high-quality materials and attention to detail for side sleepers everywhere.

* SONU Bedding and several SONU Supports are imported products. All other SONU products
are made in the United States.

Designed To Work Together

The Patented SONU Sleep System Mattress with Comfort Channel against a white background.

The SONU Sleep System

Hybrid

$2,099 $1,399 ★★★★★

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

MORE DETAILS

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The SONU Sleep System's custom made cooling sheets, folded & stacked in different colors. They are white, cream and slate, from top to bottom.

The SONU Sheets

$159 ★★★★★

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

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A Top Pillow made specifically for the SONU Sleep System against a white background.

The SONU Top Pillow Deluxe

$129 ★★★★★

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

MORE DETAILS

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Upgrade with confidence

Making the switch to Sonu is simple.

Try risk-free
for 100 nights

Experience the SONU Sleep System at home with the current in-home trial period and hassle-free returns.

Free shipping
on every order

Free Shipping supports the full SONU experience from delivery through setup.

Financing from
0% APR

Current homepage financing includes starting from 0% APR with $0 down where approved.

Built around
your sleep style

Use the selector to find the mattress, pillows and accessories that fit the way you rest.

Help Me Choose...

100-Night Trial

Try Sonu
at home.

If the SONU Sleep System somehow is not for you, let us know and we will come and get it.

Free Shipping
In-Home Trial Period
Hassle-Free Returns

Learn More Get The Sonu

Mattress Protector

PAY NOW

PAY MONTHLY

Relief nationwide.

Game changer

Finally sleeping again!

Finally!

Fantastic!

Relief from shoulder and neck pain

Life changing

The Benefits of Sleeping on a Sonu.

Real reactions to discovering Sonu.

Made In The U.S.A.

Making the switch to Sonu is simple.

Try risk-freefor 100 nights

Free shippingon every order

Financing from0% APR

Built aroundyour sleep style

Try Sonu at home.

Try risk-free
for 100 nights

Free shipping
on every order

Financing from
0% APR

Built around
your sleep style

Try Sonu
at home.