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Generally no, it usually makes you more tired, but you should research it if its important to you.

Actually, Yes. In fact, dehydration is one of the leading causes of insomnia. There are many reasons for this, from elevated heart rate, to the body not being able to eliminate toxins from the blood. Just do a search for insomnia and dehydration, and you'll find a lot of info on it.

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13y ago

What else can I help you with?