I had an odd experience this morning.
I was dreaming - I was walking on a beach. An beautiful clean beach - giant clams jutting out of the water with electric blue markings on the side, everyone was standing around them admiring their beauty. Some mussels also floating in the sea around the clams them too.
Then I turned and walked away from the sea, I looked down at my feet as I was feeling the sand beneath my toes, I could feel the heat of the sun on my head too. Then it came to me "this is a dream". I carried on walking to the board walk marveling in the details that my dream was producing - people I'd never seen in a place I'd never seen. Shops on the boardwalk I'd never seen. All in vivid detail.
I went with it for a while but I could feel the tug of waking up and I woke up with all those images still in my head.
I've realized I was dreaming in a dream before - but this is the first time I got to stay with the dream for a while and take in the astounding amount of detail being generated. I wasn't controlling the dream but I feel a few more experiences like this and I'd be able to have it play out my way.