Has anyone here reflected on what links daily time events or thought to their coming-back in dreams? I guess mind in dream is very selective but I can't understand on what she base her choices...

e.g.
Yesterday I've spoked about a lot of things with a lot of people: about work, womans, politicians, history, science, travels, dreams & so on...

The only element that was kept in my dream was Mexico of whom I was speaking with a friend

I hope to have been clear... -_-