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Missed out on your precious eight hours of sleep? Put down the coffee and pick up your workout bag — creatine supplements might be the best way to beat fatigue, research suggests.

Creatine is a compound that occurs naturally in the body and assists the muscles with the production of energy.

It can also be found in certain protein-rich food, while creatine supplements are popular with athletes.

But recent online chatter has praised creatine for its supposed ability to undo 21 hours of sleep deprivation. And scientists suggest it's not as far-fetched a claim as it might first appear.

What is t

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