I'm reasonably fit, but I'd never stood for the whole day, until two weeks ago. Then I started running the family business while the parents went away for vacat

I'm reasonably fit, but I'd never stood for the whole day, until two weeks ago. Then I started running the family business while the parents went away for vacation. I decided to stand / walk instead of grabbing a stool because I thought it would compensate for the lack of other exercise I'd be getting - business hours are fairly long, and I really don't feel like workout out after. Take-aways so far: - When standing, I automatically change it up - sometimes I stand up-right, sometimes I stand with my legs split a bit. - After a couple of days of discomfort, I can basically stand all day, no issues. - I come home, and sit. And if I'm watching TV, I pass out for a good 20 minutes. Automatic nap. - I don't feel sleepy at work at all. Zero lethargy. I don't feel sleepy after lunch. Some advice: - Try to engage your core, your glutes, legs.. different muscles to keep you upright. - Change things up. I try not to lurch. To lower myself, I split my legs a bit. Sometimes for fun (while reading email, random junk online..) I do a half-squat.