I just randomly had it, I've always wanted to induce them on purpose but never had the drive.

There was actually only one remarkable thing in the dream - I was chasing a boat or something and i was trying to swim through the water, but it was really really hard to swim. Acknowledging that it was a freaking lucid dream, I rocketed out of the water Ironman-style, with rockets on my hands and feet. I flew around for a bit.

The rest of the dream was spent picking up chicks