That’s true but the point is we just don’t know if our ancestors got more or less sleep than us, whereas we know a fair amount about hunter gatherer diets.
I agree, but I’m arguing that there’s a temptation, which we should resist, to assume that our closest personally-experienced approximation to a hunter-gatherer lifestyle (backpacking) is a close approximation.
That’s true but the point is we just don’t know if our ancestors got more or less sleep than us, whereas we know a fair amount about hunter gatherer diets.
I agree, but I’m arguing that there’s a temptation, which we should resist, to assume that our closest personally-experienced approximation to a hunter-gatherer lifestyle (backpacking) is a close approximation.