system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:Why do we forget what happened in our dreams the following morning?

And please, actually answer as if I'm a five year old.
gpt
Okay, so whenever you have your eyes open you can see your nose, right? But most of the time you don't even notice it, only when you actually think about it.

Your brain gets a lot of information at the same time. You feel your clothes, see your surroundings and so on, all at the same time. Because it is hard work to save all those informations some stuff gets ignored, just like your nose.

Now think of your dreams as the nose. Dreams are not important to your brain after they happened so the memory gets deleted quickly. You can usually remember it for a few minutes after waking up but it goes away quickly. 

Now, just like you can think about your nose and then see it, you can start thinking about your dreams and keep them memorized! If you concentrate on them, you tell your brain that they are important and it will save them. 

This can be trained btw.