Wearable devices manufactured by WHOOP can be used to track sleep. (Emilie Megnien/AP) As the team captain of the Harvard squash team, Will Ahmed found himself constantly overtraining. To solve that ...

As the team captain of the Harvard squash team, Will Ahmed found himself constantly overtraining. So, he decided to come up with a device that would solve that problem: WHOOP measures your body for ...

If you're determined to reach your goals and push yourself to your limits continuously, this may sound like a good thing, but could easily lead to overtraining symptoms in the future. In this video I ...