First, let's discuss what good sleep is and its effect on the immune system. In 2005, the National Sleep Foundation conducted a nationwide poll and determined that the amount of nocturnal bed time average in America was just under what's considered normal, eight hours.
http://www.naturalnews.com/040534_insomnia_sleep_remedies_healthy.html
http://www.naturalnews.com/040534_insomnia_sleep_remedies_healthy.html
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