In my case, it is more like 5-20 seconds, not 5 minutes. Do you really remember dreams that long? They raid very rapidly, and I usually remember only those parts that I have repeated myself (thought about) right after waking up.

Interestingly, sometimes I revisit fictional places/topics in the dream, which otherwise I forgot. And upon waking up I am like, “yes, I dreamed about it before”, but I would not remember about it otherwise.