in my LDs (and in the dreams of many other people) right before the end of the dream, the dream starts to “fade away”, becomming darker, other sensations start to become less vivid etc.
there should be a short tutorial in the “beginners dream control course” in the FAQ showing how to deal with it.
searching the forum
TA-DA!: https://community.ld4all.com/t/dream-control-training-course/31812
just Ctrl+F “Writerscube wrote:” and you’ll find the quote 