More signature Simba tech means more comfort and more incredible support in this Simba Hybrid® Inter Mattress. Maximising their innovative sleep technology within four layers of intense body cushioning, this mattress has everything you need for an enhanced night's sleep.
A medium-firm feel perfectly complements the specially engineered orthopaedic Aerocoil® Microsprings within this mattress that help to align your entire body. With the help of the ingenious Zoned CentiPur® base, your heaviest pressure points are optimally supported, encouraging a healthier sleeping position. In fact, with seven key support zones, this base ensures your body receives expert pressure relief exactly where it needs it.
The famous Simbatex® foam within this mattress has a special open structure that makes it cooler than regular memory foam. It also has greater elasticity, helping it bounce back to shape once pressure is removed, so you enjoy a unique, personalised level of comfort every night, without worrying about compression. Infused with graphite, this material actively draws heat away from your body for a fresher experience free of humidity and excess warmth.
The Simba Hybrid® Inter Mattress encourages perfect spinal alignment as well as a cooler night's sleep thanks to incredible sleep technology from the leaders of innovative mattresses. A soft, breathable cover is removable for easy cleaning, keeping your sleeping environment consistently fresh.
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We provide our award-winning Free Next Day Delivery service to most locations, sending a proper night’s sleep out far and wide. Hassle-free and convenient, you can even choose a time and day that suits you, have us take your old mattress away for recycling, and get us to deliver to your room of choice!
In some places, a small fee will be charged to help us get you your best night’s rest as quickly as possible. Take a look at the following postcodes to see if this applies to you, and if you’re not sure, then use our helpful Postcode Checker to help you shop with confidence.
Simba® 10 Year Guarantee
Simba are certain you’ll love your new mattress, but for complete peace of mind they offer a 10 year guarantee. In the very unlikely case that you discover a defect as a result of faulty workmanship or materials, they’ll swap it for a new one. Please see: https://simbasleep.com/pages/ten-year-guarantee for further info.
Free delivery Tomorrow, 15th January
150,270+ Trees planted so far
Rated Excellent
Verified
Honest review so a little background - we are in our 30s, my husband suffers from a bad back due to his job. He is also a side sleeper. I suffer from bad knees due to several breaks and also aches from standing on my feet for 12 and a half hours as a nurse and have no option but to be a front / stomach sleeper otherwise I get so much pain around my legs and knees. Ordered the mattress, selected arrival before 10am the next day. However it arrived after ten - about half an hour to 45 minutes later - I wouldnt have minded but I paid extra for it to be here before 10 as I had work. Easy to unbox, literally cut the packaging, unroll the mattress and leave it. We left it for 12 hours, before sleeping on it, my husband had the best nights sleep of his life and woke up feeling so much better. I however didnt, it has took a good week and a half - two weeks to get used to it and sleep through the night. Pro - you do not dip, sag or roll in the middle. You do not feel your husband jumping around changing positions or fidgeting.Con - it really does take some adjusting if you are a front sleeper. The mattress has quite a strong smell when you unbox it and lasts even in a well ventilated room for around two weeks. Our rating out if 10 = 7/10 as it stands. It may improve once I have fully adjusted.
Verified
Lovely comfortable mattress medium firm
Verified
Great service great mattress. Very efficient
DreamEasy Luxury Quilted Mattress Protector
Sarah Jayne Soft & Comfortable Pillow - 2 Pack
DreamEasy Luxury 10.5 Tog All Seasons Duvet
Sarah Jayne Satin Stripe Cotton Pillow - 2 Pack
150,270+ Trees planted so far
Award winning delivery
Planet-friendly disposals
Buy now, pay later with Klarna
18+, T&Cs apply, Credit subject to status
| 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 +/- 20mm.
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 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.
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.
MattressNextDay, 116 Joseph Wilson Industrial Estate, Whitstable, Kent, CT5 3SN
