On Wed, 14 Feb 2018 13:02:14 +0100, Martin wrote:

On Wed, 14 Feb 2018 07:41:58 -0000, "Brian Gaff"

wrote:

I'd have thought that was probably faulty. Mattresses unless used as
trampolines last at least 4 or five years even under strong use. I'll
not suggest what strong use is here.

The life of a mattress depends on the weight of the user too

I must admit, that was the *very first* thought that occurred to me when
I read the OP.

--
Johnny B Good