Offers Summary
Explore offers below
SAVE ON OUR RANGE OF
SLEEP SYSTEMS
SAVE UP TO $814^
^ Savings vary depending on selected style, size and bed options.
SD Mach II Mattress +
SD Indestruct Bed
If you're looking for a Sleep System (mattress + bed frame), now's the best time to purchase one at an exceptional price.
Available in all styles
To access the offer, simply add an SD Mach II mattress and an SD Indestruct Bed to the cart and apply the promotion code.
(Note: Promotion code will be available here at 8AM, Friday 14th November.)
Build your systemTrust us. You will feel the difference.
Mach II Mattress + KIT
SAVE UP TO $300 ON ACCESSORIES
Save when you combine a mattress with one of our bedding kits.
Save $230
Save $250
Save $300
Mach II Mattress + KIT
SAVE UP TO $300 ON ACCESSORIES
Save when you combine a mattress with one of our bedding kits.
MULTIPLE MACH II MATTRESSES
SAVE UP TO $269 PER MATTRESS*
* Limited to a maximum of 4 mattresses
To access this offer, simply add two or more Mach II mattresses to your cart and apply the promotion code.
(Note: Promotion code will be available here at 8AM, Friday 14th November.)
Browse MattressesFAQ
What offers are available?
Our Black Friday offers are available until the 3rd of December.
The Sleep System Offer provides you with up to $814 savings on the purchase of a Mattress and SD Indestruct Bed. Your total discount is determined by your chosen sizing and SD Indestruct Bed. If you’re after maximum savings, take a look at our Palais range.
Our Mattress and Accessory Kits are now available at a further $100 off. You can learn more about each Bundle’s products on our Black Friday page.
How do I take advantage of these offers?
To take advantage of these offers, simply apply the promotion code prior to checkout in your Order Summary. All promotion codes can be found on our Black Friday page.
If you’re after a Mattress and Accessory Kit, add your preferred selection to cart on our Black Friday page.
Can I combine this offer with any other promotions?
Offers cannot be combined. Only one offer can be used per transaction, so you may need to place separate transactions.
If you have any questions, reach out to our SDHQ team.
Will the items I’ve purchased come with a 100 Night Guarantee?
All of our comfort items come with our 100 Night Guarantee. Comfort items are those that directly contribute to getting you the best night's sleep possible.
This includes:
- Mach II Mattress
- BreatheTech™ Covers
- Pillows
- Sheet Sets and Flat Sheets
- Duvet
It does not include:
- SD Indestruct Bed™
- Bed Base
Items not included can be returned for a refund within 14 days of delivery, if the product is unopened and packaging remains intact.
If you're returning a product that was part of our Kit, your refund will reflect a weighted discount based on the overall Kit pricing. You can learn more about returns in these FAQs.
What if I'm not ready for delivery?
If you'd like to delay your delivery, you'll be able to select "I'm not ready for delivery" at checkout for some metro and regional areas.
If this isn't available, feel free to give our friendly team a buzz to discuss options.
Terms and Conditions:
- Black Friday sale will be available to the public from 14th November to 3rd December 2025.
- These offers cannot be combined.
- Offer 3 can be applied to a maximum of 4 Mach II mattresses.
- Only while stocks last.