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How Does Exercise Help You Sleep?

From , former About.com Guide

Updated December 19, 2006

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Question: How Does Exercise Help You Sleep?
Answer: Sleep is brought on by chemicals released in your body. These chemicals are a by-product of your body burning sugar for fuel during the day. The more sugar you burn (the more active you are) the more of these chemicals are released, helping you sleep better and deeper. However, some people find exercise stimulating and have trouble sleeping if they exercise too late in the day, so time your exercise for maximum benefits.

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