Lack of sleep is not the only thing that takes away your energy. The little things you do (and don't do) can exhaust you both physically and mentally, making your whole day a burden. In this article, experts will tell you about common bad habits that make us feel tired, and about simple lifestyle changes that can get you back on track. 1. You're missing practice If you skip training to conserve energy, you're making it worse for yourself. Studies At the University of Georgia have shown that sedentary, but otherwise completely healthy people who began to exercise three times a week for only 20 minutes, after 6 weeks began to feel much more energetic. Even the simplest exercises increase strength and endurance, help the cardiovascular system and supply tissues with nutrients and oxygen. So the next time you want to lie down on the couch, make yourself a lively walk – believe me, you will not regret it. 2. You're not drinking enough water ” Even a slight dehydration (2% of the standard