Not drinking enough water can cause dehydration and a range of health issues, from headaches to kidney strain and mood changes. Discover five simple, science-backed habits that can boost sleep, energy, focus, and overall health—without relying on complicated routines. Ever had one of those days when you just can’t seem to remember where you put your keys?

Understanding the Context

Or maybe you’ve struggled to focus during an important meeting despite getting plenty of sleep the night before ... Struggling to fall asleep? These 10 drinks may help you relax, unwind, and fall asleep faster—plus what to know before making them part of your routine. Dehydration also can occur in anyone who doesn't drink enough water during hot weather.

Key Insights

It's more likely in people who are active in the heat. Drinking more fluids usually fixes mild to moderate dehydration. But severe dehydration needs medical treatment right away. Most adults with mild to moderate dehydration from diarrhea, vomiting or fever can get better by drinking more water or other liquids. For children and adults, drinking full-strength fruit juice and soft drinks might make diarrhea worse.

Final Thoughts

If you work or exercise outdoors during hot or humid weather, drink cool water. Dehydration occurs when you use or lose more fluid than you take in, and your body doesn't have enough water and other fluids to carry out its normal functions. If you don't replace lost fluids, you will get dehydrated. Common causes of dehydration include vigorous exercise, especially in hot weather; intense diarrhea; vomiting; fever or […] Fevers, vomiting, and diarrhea can cause severe dehydration — as do bladder infections and urinary tract infections (UTIs). Increasing your fluid intake is an important part of a successful recovery. Tips for optimum hydration Now you know how much water you need to drink for optimum hydration.

But how do you hit the mark without falling short?