The Sleeping Beauty Problem

It's a genuinely fascinating question, and if you haven't seen t before then I can recommend taking 10 minutes to understand the question and form an opinion.

The Reddit discussion is not necessarily all that deep, it has a lot of people arguing past each other without defining their terms, but it will introduce you to other points of view.

Here is a useful write-up:

https://en.wikipedia.org/wiki/Sleeping_Beauty_problem#Operat...

If you want to read more about it, here's a bibliography:

https://philpapers.org/browse/sleeping-beauty/