Sleepeezee ActivFlex Response 2600 Mattress Reviews (2026)

Yes—if you want noticeable cushioning without the deep, slow sink of a dense foam mattress. The pillow top softens the first contact, while the two spring layers keep the hips supported and make position changes fairly easy. Its foam-encapsulated edge also gives couples more usable space than many plush-topped beds.

The ActivFlex is less convincing for anyone who wants a firm, level surface or an actively chilled feel. Staycool Gel and the open spring core controlled heat reasonably well, but this is not a dedicated cooling mattress. With a 4.2/5 overall score, it is best viewed as a balanced, cushioned hybrid rather than a specialist bed.

• Who It’s For

  • Couples who want a quieter spring mattress and full-width sleeping space

  • Back-and-side sleepers who need cushioning without heavy sink

  • People who sit or sleep close to the edge

• Who It’s Not For

  • Sleepers looking for a clearly firm mattress

  • Anyone who dislikes the height and softness of a pillow top

  • Very heat-sensitive sleepers who need stronger cooling materials

Marcus, Jenna, and Ethan used the mattress for sleeping, reading, and working in bed, with each tester focusing on the pressure points and movements that usually disturb their sleep. We used a 5-point scoring system and our standard mattress testing process to assess support, temperature control, pressure relief, motion isolation, responsiveness, and edge support. We also recorded surface temperature, weighted compression, and movement decay, then checked whether the feel changed after regular head-to-foot rotation.

Our sample measured 27.1 cm deep and felt like a 6/10 for firmness: cushioned at the surface, but clearly supported underneath. Back sleeping kept the hips from dropping below the rib cage, while side sleeping allowed enough shoulder compression to avoid a hard pressure point. The pillow top compressed gradually instead of collapsing all at once, so moving from side to back took little effort.

Motion settled in about 0.8 seconds after a 10-pound ball was dropped 12 inches from the opposite side. That is not all-foam stillness, but footsteps and routine position changes felt muted for a spring-based bed. Edge compression under a 200-pound load was 2.4 inches versus 2.1 inches at the center, a small difference that matched the secure feeling when sitting down or sleeping near the perimeter.

The surface temperature rose 6.4°F after 30 minutes of lying down and returned to within 2°F of its starting point 10 minutes after the tester got up. Marcus, the warmest sleeper on the team, never described the top as cold, but he did not feel the heavy heat buildup he notices on dense all-foam mattresses. These results fit the 4.0/5 cooling score: capable temperature control, not active cooling.

What we liked

• The pillow top cushions the shoulders and hips while the spring core keeps the waist supported.

• The reinforced perimeter stays useful for sitting and gives couples more room to spread out.

• Movement fades quickly enough to prevent most routine partner disturbance.

Who it is best for

• Couples with different schedules who still want the easier movement of a hybrid

• Back-and-side combination sleepers who prefer a true medium feel

• Sleepers who sit on the edge while getting dressed or use the full mattress width

Where it falls short

• The pillow-top loft is too pronounced for people who want a flat, firm surface.

• The initial response is softer and less crisp than it is on a tight-top hybrid.

• Regular rotation is important because the cushioned top is more likely than the spring core to settle unevenly.

• Mattress type: pocket-spring hybrid with a pillow top

• Feel: medium

• Comfort layers: Staycool Gel, ActivFlex Spring Foam, and polyester cushioning

• Support core: 1,200 traditional pocket springs plus 1,400 mini comfort springs; the advertised 2,600 count is based on a king

• Edge support: fully foam-encapsulated perimeter

• Height: approximately 27 cm (10.6 inches)

• Cover: soft knitted, microquilted polyester

• Care: single-sided and non-turn; rotate head to foot regularly

• Trial: retailer-specific; length, exchange terms, and eligibility vary by seller

• Guarantee: 10 years

• Safety standard: BS7177:2008 for domestic use

Choose the ActivFlex Response 2600 if you want a medium mattress that feels soft at first contact but stays supportive once your body settles. It is particularly well suited to combination sleepers who move between their back and side, as well as couples who want less bounce without giving up the mobility of springs.

Skip it if you want a firm, low-profile surface or the close hug of memory foam. The Helix Midnight Luxe places more emphasis on side-sleeper contouring, while the Saatva Classic offers a more traditional innerspring response and a choice of firmness levels. Both are US-market alternatives rather than direct UK price matches.

The pillow top creates an inviting surface, but it also makes the mattress feel taller and softer than a tight-top model. Very heat-sensitive sleepers may want stronger cooling features than gel foam and spring airflow alone. The mattress is also sold through retail partners, so prices, delivery, comfort trials, and exchange conditions depend on the seller. Read those terms before ordering, and plan to rotate the mattress regularly to keep the top wearing evenly.

The ActivFlex Response 2600 is the most straightforward choice here if you are shopping through a UK retailer and want a medium pillow top with unusually stable edges. Its 1,400 mini springs give the surface a more responsive feel than a thick foam comfort stack, while the main pocket-spring unit keeps the support familiar.

The Brooklyn Bedding Aurora Luxe Cooling puts more emphasis on temperature control, with phase-change foam and three firmness choices. It makes more sense for a hot sleeper who wants to customize the feel, but it is a US-market mattress and not a direct price comparison.

The Leesa Sapira Hybrid has a flatter, medium-to-medium-firm feel and particularly good motion control. Choose it over the Sleepeezee if partner disturbance matters more than pillow-top cushioning.

The Saatva Classic feels livelier and more spring-forward, and its three firmness options cover a wider range of preferences. Its stronger lumbar emphasis suits sleepers who want a more traditional innerspring feel; the ActivFlex remains the better fit for someone who wants gentler pressure relief at first contact.

• Rotate the mattress head to foot regularly so the pillow top settles evenly.

• Use breathable sheets and a lightweight protector to preserve airflow at the surface.

• Avoid sitting in the same edge spot every day, even though the perimeter is reinforced.

• Place it on a supportive foundation or platform bed with properly spaced slats.

• Allow a short adjustment period if you are moving from a much firmer mattress.

• If the bed feels taller than expected, use a lower pillow to keep your neck level.