It's probably because you're using your brain more and it needs the rest.
>How about you program something interesting?
# by Jonno, Dec 2018
# talk with Mika, the cute anime girl
# save messages as variables
intro = "Hi! I'm Mika, a cute anime girl!"
ask = "How can I help? (Enter help for suggestions.)\n"
confused = "I don't understand"
joke = "My dog has no nose. It smells terribly!"
helpList = "Try entering:\njoke\nexit"
# begin interactions
userInput = input(ask)
if userInput == "exit":
elif userInput == "help":
elif userInput == "joke":
print(confused, userInput, ".")