Sir August De Wynter is the main antagonist in the 1998 film The Avengers.
Quick Answer. Heavy legs are a common symptom of peripheral artery disease, according to SecondsCount. The heavy sensation also points to varicose veins, according to the Mayo Clinic. In those who are heavy exercisers, heavy legs are a symptom of overtraining, adds the American Council on Exercise. Continue Reading.
People who are taking certain medications, such as certain diuretics, might be more likely to have night leg cramps, although it's not known if there's a direct connection. Restless legs syndrome (RLS) is sometimes confused with night leg cramps, but it's a separate condition.