Martin wrote:
We are using the thinnest duvet we could buy.
Our thinnest duvet involves sleeping under the cover with no duvet. ;-)
Our thinnest is without either :-)

I don't like sleeping without a cover at all, even if it's only down to a
sheet. Even in Italy in mid summer I still had a sheet. (Although that was
mostly to hide from the mosquitoes, which had decided to find me
particularly tasty)