This week we’re counting down to Well Far season 4 with daily tips and advice... Today, I’m going to introduce you to something called HRV which can help tell you how stressed your body is. It’s really useful for knowing when to take a rest day or when to go out and push yourself with some sprints. Over to Simon Wgerif, founder of ithlete a HRV tracking device and platform, to explain how to use track and use your HRV.   See acast.com/privacy for privacy and opt-out information.