What I do is sometimes have the French news playing while I sleep. I notice that I'm having French in my dreams. What I think is better is to study right before sleeping. That has been proven to help and I've seen for myself that it works

Well, from my personal experience I would say no. I heard about this theory many years ago, and I decided to put it to the test. It was when I was at school, and I had a test on Latin verbs the following day. So, I spent a couple of hours reciting the latin verbs over and over again - recording them on a tape recorder. Then I went to bed leaving the tape recorder playing. The following morning I went off to school, full of expectation, and confident that I would do brilliantly in my test. I didn't. I got a dismal grade. ☹️ I never repeated this experience. Over the years I've occasionally heard reference to this theory, but I think that if it really worked, everybody would be doing it. Basically, I think it's one of those ideas that is just 'too good to be true'.

I once tried one of those YouTube videos that promise to teach vocabulary whole you sleep. I only did it the one time so it probably wasn't a fair trial, and I'm pretty sure I didn't learn anything. I have been thinking about trying it again, but as a way to refresh things I already know, that is do some revision. I don't know. I'd be curious to know what other people think too.

No i don't...