Mmmh… The watch tells you to meditate and can even help you do it.

It’s less about “listening to your body” than remind you regularly about obvious things. Some people (like me) can focus quite easily (which is great to write code) but can get lost in their task. I know that I regularly realise that the sun is up when I keep on coding after dinner. That’s eight to ten hours that have gone by without me moving an inch. Having a reminder to go to bed has helped.