On this page Documented — There are human studies behind this ingredient for this particular complaint. Traditional — Carried by tradition and experience; modern evidence for this particular complaint is limited.
All of this is what others have found — tradition, shared experience and the studies done so far. It is not advice given to any one person. Before changing your diet, and especially if you take any medicine, ask your dietician or doctor.
Naturopathy
Alternate hot and cold foot bath before bed; stretch the calves.
Walk barefoot on grass; magnesium-rich food and adequate water.