GLOW 3000 Box Top Tencel Mattress - UK Wool Cooling

SLEEP HARVESTER LTD

£419

GLOW cooling mattress UK featuring 11-layers with 3000 pocket springs , Tencel fabric , British wool , and Sleep Resonance Foam ® (30x breathable) across 34 cm depth delivers luxurious plush comfort for hot sleepers . This premium cooling hybrid combines sewn-in box top with Tencel's superior moisture-wicking and wool's thermoregulation for sweat-free sleep, manage body pain and fibromyalgia. Advanced construction provides exceptional body contouring, pressure relief , and motion isolation for undisturbed rest. Ergonomic design fosters spinal alignment whilst plush box top with ErgoTurn ® mini

SLEEP HARVESTER LTD's own words, read from their page.

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Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.

UK company
Registered at Companies House as SLEEP HARVESTER LTD, number 11560976. Checked 2026-08-29.
Means the business is a British legal entity, not a British-sounding name owned elsewhere. It says nothing about where anything is made.
UK operations
Not yet checked.
Means people employed here, or premises they actually work from. We keep this separate from the company badge because a registered office can be an accountant's spare room, and a company can be registered in Britain while everything it does happens somewhere else. Where we have not looked, we say so rather than assuming.
British-owned
Not established. Many companies file a statement rather than naming a controlling shareholder.
Read from the register of people with significant control, following the chain of holding companies. It does not gate anything: a firm can be made here and owned elsewhere, and that is worth telling you rather than hiding.
Where it is made
The maker doesn't say, so neither do we.
This is about the individual product, not the company. A British firm can sell things made abroad, which is normal and not a criticism. We would rather tell you which is which than average them into a score.