Okay, I just had my first lucid!

I laid down, preparing to try to astral project. Instead, I fell into a Lucid Dream, (after what felt like hours). I was sitting on my parents bed in their room. I was about to just go somewhere, then I remembered I was dreaming. I did the nose RC and I could breath through my nose. I went forward a couple of steps then looked at my hands. They were transparent except for my fingertips. Then I woke up. The dream only lasted a few seconds. Before now I was sorta a skeptic, but now I'm a total believer! This was a W.I.L.D. I did not feel any vibrations or sleep paralysis. I counted to at least 500 in my head, then started seeing hypnogogic images, one of them being a manilla folder with writing on it. It only appeared for a few seconds each time it appeared. In the dream I felt very drowsy and my vision was blurry. It was still an amazing feeling, though, to know I was dreaming. I am very happy with my accomplishment of even becoming lucid. If you could, please give tips on how to prolong the dreams. Thanks for reading!