Signs of Dehydration 13 Signs of Dehydration Most People Ignore Most people ignore the symptoms of dehydration. Water plays a vital role in our body; it mainly keeps our body hydrated. Whenever you get dehydration, especially in summer, you will get troubles. Whether you are working outside or enjoying outdoor recreation it is important to stay hydrated. According to a statistical finding, 75 percent of Americans fail to meet their daily water intake and this is not good, because you can get chronic dehydrated if it continues. Your body starts showing warning signs that your body is lacking water. Our digestive system, metabolism system, and every part of our body need water. Therefore, you should notice some warning signals if you get dehydration. Older people are more likely to get dehydrated.