When your body loses more water than it consumes, you can develop temporary dehydration. During mild dehydration, you may feel thirsty, have a dry mouth, and urinate less. But if dehydration becomes severe, you may feel faint or confused. In extreme cases, dehydration can hinder your body’s ability to perform basic metabolic functions.
The relationship between dehydration and sleep is complex and not entirely understood. We review how dehydration might affect sleep, how poor sleep might affect hydration, and how you can stay hydrated through the night.
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