A rock-hard muscle, a burning sensation that drags you out of bed, and you can’t get back to sleep? These nocturnal episodes, known as leg cramps, are as sudden as they are uncomfortable. But why do they appear while you’re sleeping? And more importantly, are there concrete ways to prevent them? What you’re about to read could well improve the quality of your nights.
Why do we get leg cramps at night?
Think of your muscles like an orchestra. When everything is in tune—hydration, minerals, circulation—the symphony flows smoothly. But as soon as one element goes out of sync, the wrong notes appear. That’s when cramps come in.
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Dehydration: the silent oblivion
This is one of the most common causes. When you don’t drink enough water during the day, your muscles dry out like a baguette left in a cupboard. As a result, they contract without warning. And it’s not just about water: you also need to think about electrolytes—potassium, magnesium, sodium—which act like little conductors for your muscles.
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Mineral deficiencies: when your plate works against you
A diet lacking in fruits, vegetables, dairy products, or legumes can lead to deficiencies. And when the body lacks magnesium or calcium, the muscles pay the price. In France, many people are unaware that a simple lack of green vegetables or almonds can contribute to these nighttime aches and pains.
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Slow traffic
Sitting all day, cross-legged at your desk or slumped in front of the TV, hinders proper blood circulation. And without fresh blood, muscles tense up. It’s a bit like a garden without watering: it eventually dries up .
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Medications and pregnancy: factors not to be overlooked
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