Hospitalized late night TV host Jay Leno is recovering from a severe bout of dehydration, according to People magazine online. I’m wondering what the underlying cause of Leno’s dehydration is? We know why socialite Nicole Richie fell ill from dehydration: because she was so damn skinny. But that’s obviously not Leno’s problem.

Signs and symptoms of dehydration include dry mouth, muscle cramps, nausea & vomiting and lightheadedness. The symptoms can quickly progress to weakness, confusion, coma and cardiac arrest if the condition is not treated.

    The Tonight Show host is hoping to leave the hospital Friday after he was admitted for observation for an apparent case of dehydration, his rep tells PEOPLE.

    The late-night funnyman, 58, started feeling badly Thursday morning and was taken to Providence Saint Joseph’s Medical Center, located adjacent to NBC’s studios where The Tonight Show tapes. The show was canceled, as was Friday’s taping.

    “I think that he’s going home [Friday],” the rep says. “They had him overnight. It was for observation. It was symptomatic of nothing serious. I think it was a dehydration.” READ MORE…

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