I spent less time sitting down for a week and it completely changed my energy levels—here's how you can do the same

A woman on a walking treadmill working at an elevated desk.

I’m someone who feels constantly busy, with a whirring mind that’s exhausted at the end of the day. But I have to admit that most of my mental lifting is done from the comfort of sitting down. 

This is bad news for my health, as extended periods of sitting can slow the metabolism and weaken the lower-body muscles, like the hip flexors and glutes.