How do I set Libreoffice Writer to autoname files being saved for the first time. Like MS Word does etc

Please help

How can i set writeer to auto name using the first sentence or title. Instead of untitiled1.odt. It doesn’t even use a logical 1 2 3 etc. Well it does if in same session… But running multiple open documents… hmmm

(I suffer from dyslexia, and cramped fingers. I really don’t want to have to stop all the time to think back to a files name etc and then type it etc. Takes massive amounts of focus time away, and if anyone knows about mixing letters up and trying to study any distraction involving letters, throws me right off, multipply that ten times a minute and wow, …)