Lack of energy is a problem that is affecting more and more people in today's fast-paced and stressful world. It can manifest as chronic fatigue, difficulty concentrating, daytime sleepiness and a general drop in motivation. The reasons for a lack of energy can range from an unhealthy diet and sleep deprivation to stress and lack of physical activity. In this article, we will discuss how to deal with lack of energy problems, the most common causes and what lifestyle changes can help you regain vitality.