We all feel tired sometimes, but roughly 20 percent of the population can be classified as having Excessive Sleepiness (sometimes referred to as Excessive Daytime Sleepiness).
Most people have heard of narcolepsy, but what is it's definition? Learn more about narcolepsy and what treatment options are available.
Do you feel tired most of the day? It may be more than just not getting enough sleep the night before.
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