We all like to sleep in on occasion, on a day off perhaps, or during the weekend. But did you know that sleeping too much could be problematic? In fact, oversleeping is associated with some serious health risks, and excessive sleepiness can be a sign of several different medical issues. So, how much sleep do we really need, what's making you so tired, and what can be done about it?
Click through the following gallery and wake up to the effects and health risks of frequent shut-eye.