It is estimated that up to 10% of Americans suffer from restless leg syndrome and about 2-3% of these cases are categorized as severe RLS. This condition affects people of all ages, but most commonly middle-aged and older individuals.
Restless leg syndrome is a nervous system disorder that causes uncomfortable sensations in the legs, resulting in an overwhelming need to move the legs to try to make the sensations go away. The sensation can vary depending on the person including throbbing, achiness, pain, numbness, tingling sensations, or a creeping feeling, as though insects are moving across the skin.
Unfortunately, RLS tends to flare up at night, leading to sleep disorders for many people.
With most cases of restless leg syndrome, the cause is unknown, but researchers believe that the following factors may be culprits: