Silentnight doesn't cut corners when it comes to what’s best for you. So, not only do these Just Sleep mattresses provide blissful, re-energising sleep, but they arrive rolled up in easy to carry boxes, ensuring you don’t have to struggle to get your mattress up the stairs. The easiest way to enjoy a proper rest.
Verified
Great quality mattress, at a fantastic price. It was delivered the next working day as promised, by 2 of the most polite delivery men, who arrived within the 2 hour slot provided.As for the mattress, we are now sleeping so much better.
Verified
The product was excellent and good value for money the delivery was quick and the delivery drivers were very helpful and friendly they rang ahead to tell me they were on their way
Verified
We ordered the mattress and it was delivered the very next day. Polite and careful delivery personnel. Delighted with the mattress and the whole experience.
Silentnight’s Just Sleep mattresses are premium, innovative mattresses that are designed to perfectly roll up into a box, without compromising any of their incredible features. Available in sizes ranging from single to king size, there really is a Just Sleep mattress for everyone. Innovative, practical, and highly supportive, each Silentnight roll up mattress is a credit to this famous manufacturer's sleep expertise.
Within the Just Sleep range, there are plenty of features and designs to choose from based on your needs. All of the hybrid models in this range feature Silentnight’s bespoke Mirapocket® spring system - pressure-relieving, individually pocketed springs that target your body’s pressure points with expert precision.
If you’d prefer a no-springs Just Sleep mattress, take a look at the Just Relax 3 Zone Foam Mattress. This Silentnight memory foam mattress provides three essential areas of maximum support, keeping your spine nicely aligned for a healthier sleeping posture. The thick memory foam layers contour to your unique shape, offering you personalised comfort so you can, well, just relax!
There are plenty of other Just Sleep mattresses available at MattressNextDay, such as the Just Breathe Eco Comfort Mattress, featuring sustainable, highly breathable Eco Comfort Fibres™. Or, consider the Premier Geltex Pillow Top Mattress, with its layer of Silentnight’s innovative Geltex® cooling gel to cool you down to the perfect sleeping temperature. If you're looking for a mattress in a box that offers incredible support and comfort, you'll find your perfect match in the Just Sleep range.
Whichever Just Sleep mattress you choose, you’ll get the best price right here at MattressNextDay, plus you can benefit from Free Next Day Delivery across all mainland UK. We’ll even help you out by taking your old mattress away, so you can quickly get your convenient rolled and boxed mattress up to your bedroom and enjoy it straight away!
We’re rated Excellent by TrustPilot, with over 20,000 reviews. Let the reviews speak for themselves and order your Silentnight Just Sleep mattress from us today.
| Size | Imperial | Metric |
|---|---|---|
| Cot Mattress | 3'9" x 1'9" | 120cm x 60cm |
| Cot Bed Mattress | 4'6" x 2'3" | 140cm x 70cm |
| Adjustable Small Single | 2'6" x 6'6" | 75cm x 200cm |
| Adjustable Single | 3' x 6'6" | 90cm x 200cm |
| Adjustable Small Double | 4' x 6'6" | 120cm x 200cm |
| Adjustable Double | 4'6" x 6'6" | 135cm x 200cm |
| 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 +/- 20mm.
| Support | Best for |
|---|---|
Memory Foam
|
Body moulding and pressure relieving |
Natural Fibres
|
Unrivalled comfort, naturally temperature-regulating |
Latex
|
Breathable, supportive and eco friendly |
Cool Gel Memory Foam
|
Active cooling properties, ideal for hot sleepers |
Soft White Fibres
|
Hypoallergenic polyester, soft and durable |
| Support | Best for |
|---|---|
Pocket Springs
|
Individual springs for tailored support |
Foam
|
Conforms to your body's shape, silent (no springs) |
Open Coil Springs
|
Traditional, interlinked springs |
Latex
|
Bouncy yet supportive, great for hot sleepers |
| Firmness | Best for |
|---|---|
 Softer |
Good for side sleepers, a softer level of support |
 Medium |
Good all-rounder for front, side or back sleepers |
 Medium - Firm |
Good for people who change sleeping position |
 Firm |
Good for people who sleep on their front or back |
 Extra Firm |
The firmest level of support, also known as orthopaedic |
*Delivery charges may apply for some areas. Please see our delivery page for more information.
1. Order by 6pm 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.
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MattressNextDay, 116 Joseph Wilson Industrial Estate, Whitstable, Kent, CT5 3SN
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