Hypnos Orthos Original Mattress (Double) vs Koala Calm As Mattress (Double) (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Hypnos Orthos Original Mattress (Double)

9.0/10 Excellent

4.6★ (2,200 owners)

Ortho pocket springs, firm feel, natural wool, Royal Warrant, Buckinghamshire UK. Back support specialist.

Full Review

Koala Calm As Mattress (Double)

9.0/10 Excellent

4.5★ (4,800 owners)

Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified.

Full Review

At a Glance

	Hypnos Orthos Original Mattress (Double)	Koala Calm As Mattress (Double)
247Verdict Score	9.0/10	9.0/10
Owner Rating	4.6★ (2,200)	4.5★ (4,800)
Verdict	Excellent	Excellent

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Hypnos Orthos Original Mattress (Double): Ortho pocket springs, firm feel, natural wool, Royal Warrant, Buckinghamshire UK. Back support specialist. Koala Calm As Mattress (Double): Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified. Choose based on your specific needs. Check the current price on Amazon →

Pros & Cons Side by Side

Hypnos Orthos Original Mattress (Double)

Orthos specification is Hypnos's back support-focused construction — firm orthopaedic support
Royal Warrant holder recommendation extends to the firmness range for back pain management
Natural British wool filling regulates temperature without synthetic alternatives
Hand-tufted construction in Buckinghamshire — same craftspeople as the luxury Hypnos range
Available in single through super king — full range coverage from the Royal Warrant holder

Firm feel is only appropriate for back sleepers — side sleepers need a softer Hypnos alternative
Premium pricing at entry Hypnos tier
8-week lead time as made-to-order

Koala Calm As Mattress (Double)

120-night trial — the longest single-period trial alongside DreamCloud reviewed
B-Corp certified — Koala's environmental and social standards verified by third-party assessment
Copper-infused open-cell foam provides antimicrobial properties alongside cooling
Australian design heritage applied to UK market — different design philosophy from UK brands
10-year warranty with B-Corp accountability for long-term quality commitment

Less brand recognition in UK vs Emma, Eve or Simba
Copper infusion adds cost without the temperature improvement of true airflow hybrids
Australian brand with UK fulfilment — customer service response from Australian headquarters

FAQ

Which is better, Hypnos Orthos Original or Koala Calm As?

Is the Hypnos Orthos Original worth the extra cost?

The Koala Calm As Mattress (Double) matches or exceeds it at a potentially lower price point.

Who is the Hypnos Orthos Original best suited to?

Ortho pocket springs, firm feel, natural wool, Royal Warrant, Buckinghamshire UK. Back support specialist.

Who is the Koala Calm As best suited to?

Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified.

What are the main downsides of each?

Hypnos Orthos Original Mattress (Double): Firm feel is only appropriate for back sleepers — side sleepers need a softer Hypnos alternative; Premium pricing at entry Hypnos tier. Koala Calm As Mattress (Double): Less brand recognition in UK vs Emma, Eve or Simba; Copper infusion adds cost without the temperature improvement of true airflow hybrids.

Do owner ratings agree with our verdict?

Largely, yes — Hypnos Orthos Original Mattress (Double) sits at 4.6★ from 2,200 verified Amazon owners, and Koala Calm As Mattress (Double) at 4.5★ from 4,800.

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