Deodorant. Salt one is working pretty well so far, as it's keeping the ph of the skin low / acidic enough to prevent bacteria from growing. My sweat isn't naturally that acidic, but if I build up a acid mantle by not cleaning vigorously there maybe I don't need it at all?! Evidence, private areas that I don't clean very much but sweat a ton at.
Investing
Sleeping tricks
Using internet router's parental control to control parents
Restless leg syndrome. Fixed, I think, by either running/walking that day or taking an iron supplement. Biking doesn't always work.
When eyes feel heavy in the morning but rest of body feels away, do a few squats or equivalent to get blood circulating. Goes away immediately for me.