RLS is a nervous system condition that causes an irresistible urge to move the legs, often accompanied by tingling, pain, numbness or ... happens in the evening or night when someone is sitting ...
aches or pains usually in the legs and most commonly in the fronts of the thighs and in the calves. They occur on both sides and usually start late in the day, though they may begin in the night ...
What gives? Few things are more disruptive to sleep than leg pain at night—most often caused by muscle cramps. They strike without warning, can be very painful and become more common with age.