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October 7, 2026

Night Leg Cramps: The Real Causes and How to Stop Them

Waking up in the middle of the night with a painful leg cramp is a frustratingly common experience — and for many people, it keeps coming back. According to Dr. Hamid Tajbakhsh, ND, the causes range from mineral deficiencies to inadequate blood flow, and most can be addressed with targeted, practical changes.

Bowl of magnesium-rich nuts and seeds including almonds and brazil nuts
Illustration © etreheureux.net

In brief

  • —Magnesium and vitamin D deficiencies are key triggers
  • —A simple calf stretch repeated 6–8 times may help
  • —Hydration, massage and acupuncture can also reduce cramps

Magnesium and vitamin D deficiencies as leading culprits

Two mineral imbalances stand out as frequent drivers of nocturnal leg cramps. Magnesium is involved in a large number of bodily reactions, and Dr. Tajbakhsh notes that deficiency is common among his patients. Because magnesium helps relax skeletal muscles, a shortfall can leave the legs prone to involuntary contractions during the night.

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