Dealing With Weighty Issues as You Sleep

I DIDN’T KNOW THAT

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Question: Why do I lose 2 or 3 pounds overnight?

Answer: The weight loss occurs because you lose water overnight, primarily through respiration, and don’t replace it before you weigh yourself. A gallon of water weighs 8 pounds, 16 fluid ounces weighs about 1 pound, and 1 liter weighs 1 kilogram, or 2.2 pounds. So when you drink a 16-ounce soda, you gain 1 pound. NASA studies have shown that the average person eliminates about 1.2 liters of urine every day and loses 1.5 liters through perspiration and respiration. That’s a total of about 6 pounds that must be replaced by drinking fluids.