I took a higher dose of my sleeping pill than normal but one of the side effects is vivid dreams. It actually made me wake up more instead of helping me sleep. I woke up 6-7 times last night instead of my usual 1-2. Most times, I had a separate dream or nightmare.
Instead of going into the details of all of them, I wonder: do you have multiple dreams/nightmares per night, or just one? Almost every time I woke up, I remembered a different dream.