Deal verdict
Both have been cheaper. It's worth waiting on either.
The Dormeo Fresh Deluxe Memory Foam Mattress costs £390 less today.
Dormeo
Worth waiting
£739 Double · Memory foam
It's been cheaper. It was £359 on 12 Nov 2026. It's been £739 or less for 100% of the 155 days we've tracked.
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Mattress Online
Worth waiting
£1,129 Double
It's been cheaper. It was £917 on 13 Nov 2026. It's been £1,129 or less for 100% of the 33 days we've tracked.
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| Dormeo Fresh Deluxe Memory Foam Mattress | Hypnos Alcester Ortho Extra Mattress | |
|---|---|---|
| Firmness | Medium soft | Firm |
| Mattress type | Memory foam | Not stated |
| Warranty | 15 years | 10 years |
| Sizes | Single, Double, King, Super King | Single, Small Double, Double, EU Double, King, EU King, Superking, Emperor, Superking Zip and Link |
Specs are the figures each retailer publishes. Prices are for the size shown above.