Lucid Dreams

Yes. I used to do it regularly. I have lost the habit / practice in recent years so it is now much more rare that it happens to me. But once I was able to do it pretty much all the time.

Basically the practice involves 1) Identifying you are in a dream 2) Not throwing yourself out of sleep the moment you identify you are in a dream.

It is a bit like the Douglas Adams concept in Hitchikers guide to the Galaxy where you can fly if you forget to hit the ground and then continue to not notice you have failed to hit the ground :) Anyone who has read that book will know what I mean here as to how Lucid Dreaming feels/works. You have to notice you are dreaming without paying too close attention to the fact you have just noticed you are dreaming.

To achieve this for me involved the technique of - while awake - pretty much constantly questioning whether you are in a dream. Especially if things even remotely out of the ordinary happen. Usually for me it was when any tool or electronic failed to work as expected in any way. I got into the automatic habit when anything failed to work as 100% expected of questioning whether this was a dream or not. With my lucid dreams it turned out very often that light switches were a thing. If a light did not turn on or off when I used a switch - I very often found I was in a dream. I remember one other occasion vividly where an electric whisk seemed to be revolving in the wrong directions and it too was a dream.