I break up my day with 3x 30min walks where I run about 5min per 30min in spurts. No real science or thought process to the duration.

Also spend about 12 hours at a homemade standing desk[1]. It has really improved everything about my life since I started standing about a year ago.

[1]: https://nickjanetakis.com/blog/build-a-home-made-standing-de...