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Sleep disorders are commonly associated with gastrointestinal imbalances, which is why treating the gut can sometimes dramatically improve rest
Learn what your blood test results mean, common causes, symptoms to watch, and safe steps to restore vitamin balance
The chart to the right, from the book "Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired" by German chronobiologist Till Roenneberg, shows the general distribution of sleep needs
Ideal for weakness, weight loss and poor performance
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