Waking up in the middle of the night, pierced by a sudden pain in your calf… It’s an experience many are familiar with. These nocturnal muscle spasms, often unexpected, disrupt sleep and leave an unpleasant feeling of stiffness. Fortunately, there are solutions to understand their origin and limit their occurrence.
When muscles invade your nights
Unlike restless legs syndrome , which causes tingling and constant restlessness, nocturnal cramps are sudden, localized, and very painful . They occur without warning, most often in the calf, and then disappear, leaving residual tension that can ruin the rest of the night.
Who is most affected?
Some people are particularly susceptible to this type of spasm:
Pregnant women : especially in the last trimester, due to hormonal and circulatory changes.
For athletes : overly intense training or insufficient recovery increases the risk.
After 50 : the progressive loss of muscle mass makes the fibers more sensitive.
In case of dehydration : a deficit in water and electrolytes disrupts the contraction/relaxation balance.
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