The third component of the nerve symptoms involves involuntary contractions and cramps in some body muscles. Indications of these spasms are sudden onset, or they can occur rapidly without a warning. However, the duration can be from a few seconds to a few minutes; they might not cease that quickly. Generally, these spasms happen during sleep. Therefore, they hinder sleeping and cause discomfort to the person.
Some people swell up the muscles in their legs as they perform activities or when they are at rest. In the worst cases, muscles are taut and have trouble relaxing, which can become a long-term problem. Initially, it is possible to fight off the spasms by stretching and drinking enough water.
