system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 why I get a burst of creativity late at night?

Just seems curious. Around ten o'clock PM, I just get hit with energy and an ambition to do things, like design an excrement catapult or install high-speed internet. So... Why?
gpt
Creativity or energy?

Creativity - probably because you are relaxing.  Examples would be the recent study showing people were better at creative problem solving after drinking, or every story of it came to me on the toilet.

Energy - some people are night people.  Probably left overs from when people would get eaten by very largr cats in the night.  If your brother Carl was awake he might wake everyone before someone died.