Even these aren't universal though. For me, with ADD, my anxiety goes up when I'm not on stimulants, and the thing that destroys my sleep is intensive, creative

Even these aren't universal though. For me, with ADD, my anxiety goes up when I'm not on stimulants, and the thing that destroys my sleep is intensive, creative coding. Alcohol doesn't do much to my sleep. I think the most universal things everyone should be doing are: get more exercise, and get more sleep.