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Looking for a foam mattress that supports, comforts and cushions you after a long day? With specialist three zone support technology, the Just Relax mattress from one of the most popular mattress creators, Silentnight, is designed to offer you the most relaxing sleep surface possible.
A 3-zone miratex® support system is engineered to cushion specific areas of your body. Your shoulders, hips and back are targetted with intense support, keeping your spine nicely aligned for proper sleeping posture, encouraging the best sleeping position for a truly relaxing night's rest.
With a medium feel, the Just Relax mattress is the perfect surface for any type of sleeper, being soft enough to let side sleepers' hips 'dip', and for back sleeper's hips and shoulders to stay at the correct level for healthy sleep.
A layer of memory comfort foam provides impressive pressure relief, gifting you with a weightless feel as you snuggle up and let your worries drift away while your joints and pressure points are contoured. This foam is able to mould to your unique shape, offering personalised support every time you climb into bed.
A soft knit fabric cover provides the final touch to this innovative mattress, with hypoallergenic properties that keep the Just Relax fresh, preventing the buildup of allergens for the healthiest sleeping environment.
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Silentnight JustSleep® 10 Year Warranty
Silentnight are proud of their JustSleep range and are certain you'll love your mattress as much as they do. However, if you discover a problem due to faulty material or poor craftsmanship, you're covered by a very generous 10 year guarantee.
Free Delivery in 7-10 Days
Place your order now and we'll contact you to arrange delivery when your order is ready for despatch. You can then choose our popular next day delivery or select a day & time of your choice and get delivery when it's convenient for you.
133,820+ Trees planted so far
DreamEasy Luxury Quilted Mattress Protector
Sarah Jayne Soft & Comfortable Pillow - 2 Pack
DreamEasy Luxury 10.5 Tog All Seasons Duvet
133,820+ Trees planted so far
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Buy now, pay later with Klarna
18+, T&Cs apply, Credit subject to status
DreamEasy Luxury Quilted Mattress Protector
4.7 (78)
Sarah Jayne Soft & Comfortable Pillow - 2 Pack
4.2 (54)
DreamEasy Luxury 10.5 Tog All Seasons Duvet
4.6 (20)
| Size | Imperial | Metric |
|---|---|---|
| Small Single | 2'6" x 6'3" | 75cm x 190cm |
| Single | 3' x 6'3" | 90cm x 190cm |
| Small Double | 4' x 6'3" | 120cm x 190cm |
| Double | 4'6" x 6'3" | 135cm x 190cm |
| King Size | 5' x 6'6" | 150cm x 200cm |
| Super King | 6' x 6'6" | 180cm x 200cm |
| European Small Single | 2'8" x 6'6" | 80cm x 200cm |
| European Single | 3' x 6'6" | 90cm x 200cm |
| European Double | 4'7" x 6'6" | 140cm x 200cm |
| European King Size | 5'3" x 6'6" | 160cm x 200cm |
All mattress sizes given are approximate and stated sizes refer to the sleeping surface only. Mattresses sizes may vary slightly from their stated dimensions due to manufacturing tolerances, please allow +/- 2 inches (5cm).
You can spread the cost of purchases over £400 without any fees or interest thanks to our partnership with Klarna, a payment service provider.
Available payment options
18+, T&Cs apply, Credit subject to status. Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply. Klarna’s [Pay in 3 instalments] [and] [Pay in 30 days] are unregulated credit agreements.Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.
*Delivery charges may apply for some areas. Please see our delivery page for more information.
1. Order by 5pm for next day delivery between Monday-Friday, 12pm on Saturday and 3pm on Sunday. The 'Order by' time may be subject to change dependant on our delivery partners.
Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply.
