JackyB, I was about to post the You Tube video! I think it is worth showing again. It works for me on the odd occasion that I use a duvet. Being a hot body I sleep with only a sheet over me for most of the year.
www.youtube.com/watch?v=DRPfudNNd8Y
What did you you think you would have by your current age that you don't?
Glaucoma laser surgery took a while to work
Fourth toe tucking under third and always very painful.
I dry my sheets very carefully, finishing them off in the tumble drier, and then I fold them judiciously and put them at the bottom of the pile of sheets. By the time I've worked my way though them all (I came back from abroad with seven giant sheets and twenty four - twenty four - pillowcases!) they are suitably uncreased, hehe!

