I Know What You're Talking About, I Close My Eyes And See Like Colors And Quick Images. I Think If You Focus On Them You Can Have LD's, Because As A Kid I Would Sleep With My Eyes Open Because I Was Terrified Of The Dark So I Would Keep Them Open And Look Around To Keep Watch For "Monsters" But My Vision Would Go To These Glow In The Dark Stars And I Would Just Watch Them Until My Brain Said "Okay It's Sleepy Time If You Want To Or Not" And I Would Have Lucid Dreams Just Like When I Watch Those Random Colors.

Hope This Was Helpful.