Crave Hydration is a term used to describe the feeling of intense THIRST. It is a common symptom of dehydration and can be caused by a variety of factors, such as physical activity, heat, or illness. THIRST is the body's way of signaling that it needs more fluids in order to stay hydrated and healthy. Crave Hydration is a reminder to drink plenty of water and other fluids throughout the day to prevent dehydration.