# CrossFit MASS CrossFit MASS | 1580 North Andover MA 01845 | Fitness for the Merrimack Valley

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Tuesday, November 15, 2011

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2 comments:

Alex said...

"A magnesium deficiency can also cause poor sleep. It is good practice to supplement with magnesium, as most people are deficient and it will improve performance in the gym."

Joe whats your take on this?

Joe Venuti said...

Yeah, I use a ZMA supplement before bed for just that reason.

But you my friend just need =more= sleep!