Rest is the New Sport by Jef Geys

A holistic approach to health and training that takes rest into account as well as  exercise  and helps you to develop a routine which is best for YOU, not an average person. Author Jef Geys is a physiotherapist and an osteopath who has worked  for many years with top level sportsmen, special forces and professionals to optimise their health regimes. A bestseller in Belgium now in English. https://www.irishtimes.com/life-and-style/health-family/fitness/the-new-way-to-get-fitter-and-stronger-rest-1.3238193?mode=amp