Since having older kids, this is completely trashing my wake/sleep rhythm and starting to impact my work. I want some time to do the things I care about in my o

Since having older kids, this is completely trashing my wake/sleep rhythm and starting to impact my work. I want some time to do the things I care about in my own time, damnit. I don't want to be externally structured all the time. I don't feel too bad about staying up late instead of being responsible, but I start to feel burn-out creeping up, and I don't know what to do.