There’s almost no time to do anything, and some of the hours you have left may be at non-prime times of the day.
> The true optimization for becoming a more efficient person is to do less of the thing you're doing most of, and do more of the other stuff you do less of.
The problem is this means sleep or work. I’ve opted for the former, and suffer for it. Sacrificing working, at least any notable amount, just means trading time-loss for money-loss which may or may not work depending on person.