Muscle cramps, or “charley horses,” are unexpected and often painful spasms, typically affecting the legs, especially during sleep. These cramps result from the sudden contraction of muscles and can severely disrupt sleep and cause discomfort.
While they are usually harmless, frequent or intense cramps can be a sign of underlying health issues or lifestyle factors.
What Are Charley Horses?
The term “charley horse” refers to involuntary muscle spasms that occur unexpectedly. These cramps can affect various muscles but most often occur in the legs, particularly the calf muscles. Charley horses can strike while moving or during rest, especially at night.
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