I've found that I dream about what's on my mind or what I worry about a lot, like my bicycle getting stolen or that I missed an important deadline.

My vivid dreams end in death only occasionally (falling from heights most commonly, suffocation, gunshots and blunt weapons less commonly), but those fade to black or red like a game over condition and force me up, I take a moment to think of how I would avoid being in such a situation to begin with. Take it as your brain is going through scenario planning/drills so that you don't end up there.

I don't know if it counts as lucid dreaming but a number of times I "get up" from a dream but I'm still in a dream. Once I even looked up on the internet within my dream to confirm if the dream I woke up from was real. The inner dream was about Twitch streamers playing a game with graphics reminiscent of Rayman but with 6 people simultaneously. When I searched it up in the outer dream NES looking cartridges with art from that game appeared as results, which supposedly confirmed the game's existence... it's just weird stuff, bud.