Wearing wool pyjamas to bed instead of cotton gives up to 15 minutes’ extra sleep, new research has found.
Experts say wool helps keep the body in the “thermal comfort zone” most conducive to restful sleep.
Scientists in Australia carried out two studies of young and older sleepers to test the theory.
No, but Australia does produce rather a lot of wool.
Not that this would bias the research, Heaven Forfend, but it might have an effect on how much its publication is publicised….