100 Nights To Fall In Love
Try the SONU Sleep System for 100 nights in your own home and finally find the best sleep of your life. We're certain you'll be in awe after immersing yourself in comfort, but if somehow you're not, we'll come back and pick it right up for a refund.


The trial period includes all SONU mattresses, so find the best size for you and start sleeping better now. It takes a while to adjust to any new mattress, so take your time during this "adjustment period" to experience the SONU System's unique level of comfort for 100 nights.


We're so confident that you'll love your SONU mattress that we offer easy returns for a full refund. Buy a mattress, sleep on it for longer than the break-in period, and if you don't love SONU before your 100th night, we'll send a driver to pick it up. All you pay is a transportation fee.
Trial Period Explained
All new mattresses have break-in periods, and your body needs time to adjust to the new shape and feel of your SONU, while your SONU needs time to mold itself to your unique shape. This is completely normal and referred to as the "adjustment period". Some adjustment periods are longer than others, so we allow 60 days to be sure you have enough time to finally find the best sleep of your life with SONU.
Trial timeline with circles in black marking milestones at day 1, day 60 and day 100, with grey stripe showing the break-in & adjusment period, and purple stripe for the return available period.
If after the initial 60 nights you don't love your SONU, we'll send a driver to pick up your mattress and donate it to a local charity or recycling center and give you a refund.
  • Purchase a SONU Sleep System mattress from SonuSleep.com.
  • We'll get your order prepared and deliver your mattress, at which time your 100-night trial period begins.
  • Sleep on your new mattress for at least 60 nights. This is the adjustment period for the mattress and for your body, giving you enough time to adjust to the feel of a new mattress, and the mattress enough time to mold to your unique shape. After this 60-night adjustment period, if you're not happy in the first 100 days of delivery, email us at returns@SonuSleep.com or call us at +1 (844) 444-SONU. Our Customer Service team will work with you to resolve any concerns.
  • Offer valid 100 days from date of delivery.
  • Offer not valid on closeout mattresses, and other non-mattress products.
  • A transportation fee starting at $99 applies to deliver the used mattress to a local charity or recycling center. If your pick-up location is remote, the fee may increase to as much as $250 so we can pay the driver to make the long trip. (Don't worry, this is rare.)
  • The trial period cannot be used to return products in order to redeem a current or future promotion, sale or coupon.
  • Purchases made through Koalafi are final and do not qualify for the 100-night trial period due to Koalafi's policies.
  • Additional restrictions may apply. See full Return Policy and Terms & Conditions.
Frequently Asked Questions
Some people adjust to a new mattress faster than others. We want to be sure you have the time to get your best night’s sleep, every night. So, when you buy direct from us, we give you 100 nights to try sleeping on your new mattress. Here’s how it works:

  • Buy a Sonu Sleep mattress from us, on our website.
  • We’ll get your order ready and deliver your mattress to your door.
  • Sleep on your mattress for 60 nights to get used to the amazing comfort and support it offers.
  • If you’re not happy in the first 100 days after your purchase, email or call us. Our Customer Service staff will work with you to answer your questions and resolve your concerns.
  • If we can’t find a way to make you happy, we’ll take the mattress back and reimburse your purchase price, less round trip shipping costs.
For full details, see the Return Policy.
If you decide that your SONU Sleep Mattress isn’t right for you within your trial period, we're happy to help troubleshoot or initiate the return process. Explore our Return Policy for directions on initiating your return.
No, you can discard all packing materials.
Depending on state and local regulations, we either donate to a charity or recycle the mattress.
Our mattresses are made-to-order, so the product takes a little more time to get to you (they’re not sitting in a warehouse somewhere collecting dust). The mattress, once compressed, will ship directly to your door. We are currently experiencing delays due to COVID-19, so it may take up to two weeks to receive your mattress. You will be emailed a tracking number as soon as your order ships.
Once a package has shipped, you'll receive a FedEx tracking number that you can use to follow your package. Please be aware that delivery may take longer during and after holidays or severe weather conditions. We recommend keeping a close eye on your order's tracking number.
View more on our FAQ Page...
Trusted Reviews From Side Sleepers Nationwide
Shoppers and their reviews verified by Fera.ai
Thank YOU! Best mattress out there.
After 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.
Highly recommended!
Creates the perfect space for your arm if you're a side sleeper. Changed the way I sleep forever.
Justin S.
So 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.
Buffalo, NY
I 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.
i 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.
Lives up to the hype
This 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.
Highly recommended!
I’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.
Chicago, IL
...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.
Photo of the SONU Sleep System from the foot of the mattress with light and dark grey fabric on a black background.
Learn about the reasons we created this unique sleep system, how your old mattress falls short, and the game changing benefits that you'll enjoy every day with a SONU.
Read this informative article and others on our blog, Comfort & Slumber, by The SONU Editorial Team.
“The SONU mattress allows for dramatic improvement in ergonomic support, resulting in better sleeping patterns, and an increase in the patient’s comfort and overall wellbeing.”
- Dr. James Hogan
Chiropractic Physician
Los Angeles, California
Read more about Dr. Hogan and how The SONU Sleep System can help you in the same ways as his patients.
Computer rendering of man with glowing red shoulder pain on blue background.
Photo of the SONU Comfort Insert Pillow in dark grey fabric on a black background.
The SONU Comfort Insert fills in one side of the Comfort Channel, making the SONU Sleep System more akin to a flat mattress, but still with give for your shoulders. This versatility can be helpful for many scenarios including couples who sleep differently from one another (e.g. a side sleeper and a back sleeper) and for those who simply prefer less space in the Comfort Channel.
The National Air Traffic Controllers Association has selected SONU as their official partners in the sleep industry, giving their members higher quality rest for their highly important careers.
Read more about NATCA and how the SONU Sleep System is helping members of the aviation industry across the nation.
Photo of an airplane on the runway at sunset.
SONU Social
OMG. I'm going to cry with joy!!! I am ordering this NOW!
Facebook LogoJason R.
This is the mattress of my dreams. 😭😭
Instagram Logo@angelareed05
I need this more than anything I've ever needed
Facebook LogoStephanie B.
whoever designed this needs a special place in heaven lol
Facebook LogoAntuwan C.
My shoulders start crying tears of joy when i seen this
Instagram Logo@jondoemrnobody
Zach F. the perfect mattress
Facebook LogoAli F.
I need this!!!!!! My arm hurts or is asleep every morning!!!!
Facebook LogoRachel S.
Jake - Game changer! 😳😍
Facebook LogoLewis E.
@marc.munoz.77 Finally something for folks with broad shoulders who want to sleep on the side.
Instagram Logo@mechkitten
Genius. Seriously what I've wanted.
Facebook LogoHailey M.
Omg what a great idea. Now I can sleep on my belly without my arms all weird under me 🤣
Facebook LogoKrissie S.
Made In The U.S.A.
Image of the red, white and blue U.S. flag
The SONU Sleep System was designed and developed in California, and is manufactured only in the United States - made with the highest 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 SONU Sleep System
$2,599 $2,099 ★★★★★

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