Magnesium has become a very important mineral that can be very beneficial as a supplement. It can help with sleep, could possibly reduce the risk of certain cardiac issues, could help prevent cancer, and is involved in many processes in the human physiological web. Here are some good article summaries that get deeper into the benefits of this mineral.
http://www.vitasearch.com/get-clp-summary/40617
http://www.vitasearch.com/get-clp-summary/40286
http://www.vitasearch.com/get-clp-summary/40378
http://www.vitasearch.com/get-clp-summary/39545