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Features you'll love
Support System
Pocket Springs
Individually pocketed springs work to give you support exactly where you need it.
Comfort Fillings
Cool Gel Memory Foam
Infused with gel microbeads to regulate temperature, while also improving breathability.
Firmness
Soft
Good for side sleepers. A softer level of support.
Amy Curtis
Marketing Director, Sleepeezee
What the Sleep Expert thinks...
"For sink-in softness with serious tech underneath, choose ActivFlex 3600. Three spring tiers, ActivFlex™ foam and twin StayCool™ Gel layers align, contour and cool simultaneously. Mini springs in the pillow-top refine pressure relief, while the one-sided build keeps upkeep simple."
| A | B | C | D | E | Max. Load | Max. Mattress Height | No. of Boxes | Net Weight |
|---|---|---|---|---|---|---|---|---|
| 33cm | 190cm | 90cm | N/A | N/A | N/A | N/A | N/A | 44kg |
Sizes may vary slightly from their stated dimensions due to manufacturing tolerances, please allow +/- 20mm (1in)
Not sure if this will fit? Read our Home Measuring Guide for step-by-step advice.
Sleepeezee ActivFlex Response 3600 Memory Mattress
5.0 out of 5
(2)
(0)
(0)
(0)
(0)
Experience blissful comfort and support for a refreshing night's sleep.
3600 Pocket Springs
ActivFlex™ Spring Foam
Staycool™ Gel
33cm Depth
Firmness: Soft
£719
RRP £1099
Save £380
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FREE Delivery within 1-2 Weeks Estimated delivery from 24th May
FREE delivery Tomorrow, 18th May
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Sleepeezee 10 Year Guarantee
Sleepeezee are confident that all of their beds and mattresses are made to the highest standards. Therefore they offer a 10 year guarantee across their entire range of mattresses and divan bed sets.
We provide our award-winning Free Next Day Delivery service to most locations, sending a proper night’s sleep out far and wide. Hassle-free and convenient, you can even choose a time and day that suits you, have us take your old mattress away for recycling, and get us to deliver to your room of choice!
In some places, a small fee will be charged to help us get you your best night’s rest as quickly as possible. Take a look at the following postcodes to see if this applies to you, and if you’re not sure, then use our helpful Postcode Checker to help you shop with confidence.
We are unable to deliver to the following post codes:
- AB10-AB16, AB21-AB25, AB30-AB39, AB41-AB45, AB51-AB56
- CA1-CA9
- DD1-DD11
- DG1-DG14, DG16
- EH1-EH49, EH51-EH55, EH91, EH95, EH99
- FK1-FK21
- G1-G5, G9, G11-G15, G20-G23, G31-G34, G40-G46, G51-G53, G58, G60-G79, G18-G84, G90
- IV1-IV19, IV30-IV32, IV36
- KA1-KA30
- KY1-KY16, KY99
- LA1-LA7
- ML1-ML12
- PH1-PH26
- TD1-TD15
Old Mattress Removal
For just £39, our fast and friendly team will collect your old mattress at the exact same time we deliver your new one. No waiting, no heavy lifting, and no clutter. 100% of your old mattress is carefully recycled and kept out of landfill. Simply select 'Old Mattress Removal' at checkout.
Your order helps us plant trees
151,870+ Trees planted so far
Rated Excellent
5.0/5
based on 2 reviews
Quality of product
Comfort Rating
Value for Money
100%
0%
0%
0%
0%
Verified
Really good mattress
David
14th Mar
Verified
After struggling with hip pain, changing our mattress to the sleepeezee activflex 3600 response has been a real game changer! having the best nights sleep and sleeping through the night again!
Customer
1st Dec
This review represents a verified, genuine experience. This review was submitted via a secure Trustpilot invitation sent directly to the customer after their purchase. This ensures the feedback is 100% authentic, unedited, and provided by a real person who has purchased from us.
This review represents a verified, genuine experience. To ensure a broad range of feedback, we include reviews from our community and shared insights from the manufacturer. While some reviewers may have received a promotional incentive, all feedback is collected via independent 3rd-party services to ensure integrity and honesty.
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Your order helps us plant trees
151,870+ Trees planted so far
Free, fast delivery
Award winning delivery
Mattress recycling
Planet-friendly disposals
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Sleepeezee ActivFlex Response 3600 Memory Mattress
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*Delivery charges may apply for some areas. Please see our delivery page for more information.
1. Order by 6pm for next day delivery between Monday-Friday, 12pm on Saturday and 3pm on Sunday. The 'Order by' time may be subject to change dependant on our delivery partners.
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MattressNextDay, 116 Joseph Wilson Industrial Estate, Whitstable, Kent, CT5 3SN