I recently read a book by a cosmologist Max Tegmark in which he brought up another theory - that the function wave function doesn't really collapse, it's just that the moment of measurement lets us determine our location in the multiverse. I think this is related:

https://en.wikipedia.org/wiki/Many-worlds_interpretation#Int...

And also an interesting read:

https://en.wikipedia.org/wiki/Quantum_suicide_and_immortalit...