by KIY » June 20th, 2012, 5:57 pm
I don't have the answers to these questions, but they prompted me to do a web search. One site which looks promising is:
[url]http://lucidallnight.wordpress.com/2008/01/04/shared-dreaming-does-it-exist/[/url]
I'm too tired to do any real research, but, as I said, it looks like it might address them.
Good luck.