newshound wrote:

I find memory foam a bit warm.

Me too, there are ones which claim to be a bit cooler nowadays.

I've always been impressed by the
mattresses in Premier Inns, and they used to advertise the brand.

Hypnos I think, but they have a wide range of prices to suit all wallets
like everyone else and their website says the ones in hotels are
different from the ones in the shops.