Mama Tee Series -Scary Dreams

Is it true that some people wake up and don't remember what they dreamt about? I wish I can forget my dreams like these people especially the scary ones as I still remember some dreams I had decades ago.I've had scary, stupid and funny dreams. I once dreamt that I died. This is about 20years ago, I was in secondary school. In my dream, I was roaming about in my neighbourhood and when I via IFTTT