A precondition for the responses in this vein: Avoid time-suck leisure activities that mess with your brain's reward system and keep you up at night (video game

A precondition for the responses in this vein: Avoid time-suck leisure activities that mess with your brain's reward system and keep you up at night (video games, porn, social media, etc.). You'll claw back some time for hobbies, or, at the very least, you'll get more sleep (which does wonders for your energy level and outlook on life).