When temperatures rise, many people start feeling unusually tired, sluggish, or mentally foggy, even after a good night's sleep. While it's easy to blame the heat alone, one often-overlooked culprit is dehydration. In summer, your body loses more fluids through sweat, and if you don't replace them properly, it can lead to a drop in energy levels. Dehydration can usually be prevented, and mild cases can be treated at home. However, if ...