I've also noticed that I have a tendency to sit VERY STILL and VERY TENSELY for long periods of time when I'm reading war news, or diving into the worst parts of the internet to try to verify related claims.
Do you do that, too?
Maybe we should stop doing that.
Get your "active minutes" in between sordid sessions at the console.
I promise - unfortunately - that the atrocity will still be there for you when you get back in more limber form.
@MLClark I think that's a natural defensive reaction to a threat, real or perceived.
When I was in law enforcement, I saw colleagues freeze up in real time, even if second-hand.
If one keeps moving, it helps burn off the natural adrenaline rush.
When I worked dispatch, I always wore a headset with a long cord so I could move around and keep active.