by Quick answer: Eve Sleep is a UK bed-in-a-box brand now owned by Bensons for Beds after going into administration in 2022. Its rebranded Wunderflip range offers flip-firmness foam and hybrid models with up to a 200-night trial and a 10-year warranty. Reviewers like the flip concept and comfort but flag sagging over three to five years and warranty risk on pre-administration purchases.
By the MattressNut editorial team · Updated June 2026
Eve Overview
Eve Sleep is a UK bed-in-a-box brand. After entering administration in 2022, its brand, website, and intellectual property were acquired by Bensons for Beds, which now backs the warranty. The range was rebranded around the Wunderflip concept, with the former Original, Premium, and Lighter models renamed as Wunderflip Memory Foam, Hybrid, Premium, and Lighter Hybrid variants. Mattresses ship free to the door in a box and expand within a few hours of unpacking. Eve is sold in the UK.
Eve Specs (what we could verify)
| Spec | Eve Sleep |
|---|---|
| Type | Foam and foam-hybrid bed-in-a-box (Wunderflip flip-firmness range) |
| Price (Queen) | Not publicly listed in UK queen sizing; UK pricing is by king and super king |
| Trial | Up to 200 nights on most models (365 nights on the Lighter); no fees if returned within 40 nights, small collection fee after |
| Warranty | 10-year, issued by Bensons for Beds Retail Ltd |
| Where sold | evesleep.co.uk (UK) |
Performance & What Owners Report
Expert reviews treat the Wunderflip flip-firmness design as a useful feature for buyers who are unsure of their preferred feel, and the Premium model earns praise for spinal support, motion isolation, and temperature control. The main cautions are durability and warranty: independent reviewers report sagging developing after three to five years, especially for heavier sleepers or couples with a large weight difference. A Trustpilot reviewer reported being told warranties on products sold before administration would not be honored, so buying from the current evesleep.co.uk matters. Slat spacing wider than about 7.5 cm can void the warranty.
How It Compares to Saatva
Eve is a UK foam-and-hybrid brand with a generous 200-night trial but a 10-year warranty and reported mid-term sagging, while Saatva is a US brand with a 365-night home trial, a lifetime warranty, and free white-glove delivery, setup, and old-mattress removal. For US shoppers, Saatva is also the only one of the two readily available.
| Feature | Eve Sleep | Saatva Classic |
|---|---|---|
| Trial | Up to 200 nights (365 on Lighter) | 365 nights |
| Warranty | 10-year | Lifetime |
| Free white-glove delivery | Not listed (boxed delivery) | Yes |
| Price (Queen) | Varies (UK priced by king sizes) | $1,995 |
View Saatva Classic and pricing
Who Should Consider Eve
Eve suits UK buyers who want a foam feel, a long trial, and the flexibility of a flip-firmness design, and who weigh under about 130 kg per person. It is a weaker fit for heavier sleepers worried about mid-term sagging and for US shoppers, since it is sold in the UK.
Bottom Line
Eve offers competent, comfortable UK bed-in-a-box mattresses with a strong trial, but new ownership, a 10-year warranty, and reported sagging after a few years mean you should buy from the current site and read the warranty terms closely.
Bottom line: A comfortable UK boxed mattress with a great trial, tempered by durability and warranty caveats.
Get Saatva Classic - 365-night trial, free white-glove
Related: our full Saatva Classic review.