Surprising Reasons You're Still Tired

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You've Let Yourself Go
Several recent studies have shown a link between obesity and daytime sleepiness, causing researchers to conclude that being overweight is one of the main risk factors for fatigue. The good news is that when the scientists followed up with some of the sleep-study participants seven and a half years later, those who lost weight also reported feeling better rested and more alert.

Next: What the sleep experts do to get a good night's rest
As a reminder, always consult your doctor for medical advice and treatment before starting any program.