How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

How should people think about systemic damage and recovery ? Because obviously the nervous system and the way it interacts with the neuromuscular system is the site of all the action here or at least a lot of the action and the nervous system can in fact become fatigued , you know , that has a great capacity .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

So um those are actually some markers that we like a lot . If muscle damage is uh the thing we're concerned with , if we are more concerned with things like total training volume , systemic overload , then we may turn to something more like sleep . There's a lot of information we can actually get glain from changes in sleep , um behavior and function .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

You're gonna be a little bit tight depending on your training frequency . Now , zooming out to systemic , we use a whole host of things . So we actually have AAA whole host of bowel markers .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

But if we're seeing this as constant , like , man , are we really pushing you way too much ? Is there some sort of systemic problem ? Um We're going to blood and we're gonna look at all those different things .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

So we actually do this in a couple of different ways . Let's start local and work back to systemic , right ? Because um number one , what you're really concerned about is at the local muscle level is am I gonna create excessive damage ?