Martin Bjergegaard's Reviews > The Power of Full Engagement: Managing Energy, Not Time, Is the Key to High Performance and Personal Renewal

This book tells us how to remain sane and healthy in a busy work environment and society, which is all about optimizing energy, instead of time. Interestingly, we can only be productive for 90 minutes in one go, then we need a revitalizing break. Therefore it is important to optimize the time we are in flow, because in flow we are exponentially more effective.