Compare Sleepeezee ActivFlex Response 3600 Memory Mattress vs Sleepeezee Natural 4000 Mattress: price history and specs

Deal verdict

Too early to call.

We need 30 days of prices for the Sleepeezee Natural 4000 Mattress before judging the deal.

Mattress Next Day

Sleepeezee ActivFlex Response 3600 Memory Mattress

Worth waiting

£1,060 Double · Memory foam

It's been cheaper. It was £999 on 14 Nov 2026. It's been £1,060 or less for 100% of the 35 days we've tracked.

£980£1,000£1,020£1,040£1,060£1,080 £1,060

Price “Was” price With an advertised code

Checked 15 Nov 2026, 13:24

Beds on Legs

Not enough history yet

£1,049 4ft6 Double

Shown as reduced from ~~£1,399~~

£1,049 today. We started tracking this on 13 Nov 2026. Its verdict is due in 27 days, once we have 30 days of prices.

£1,000£1,100£1,200£1,300£1,400£1,500 Was £1,399 £1,049

Price “Was” price With an advertised code

Checked 15 Nov 2026, 18:33

	Sleepeezee ActivFlex Response 3600 Memory Mattress	Sleepeezee Natural 4000 Mattress
Firmness	Soft	Medium firm
Mattress type	Memory foam	Not stated
Warranty	10 years	10 years
Sizes	Size not stated, Single, Small Double, Double, King, - Super King, - Super King Zip & Link	3ft Single, 3ft Single / FREE DISPOSAL, 4ft Small Double, 4ft Small Double / FREE DISPOSAL, 4ft6 Double, 4ft6 Double / FREE DISPOSAL, 5ft King Size, 5ft King Size / FREE DISPOSAL, 6ft Super Kingsize, 6ft Super Kingsize / FREE DISPOSAL, 6ft Zip & Link, 6ft Zip & Link / FREE DISPOSAL

Specs are the figures each retailer publishes. Prices are for the size shown above.