When your legs cramp at night it is called leg cramps, night cramps or Charley Horse.
They are painful spasms that typically occur in the calf muscles and make your legs cramp at night.
Leg cramps can awaken you in the middle of the night but they can also appear during daytime during physical activities such as running and cycling.
When your legs cramp at night it’s usually harmless and can be relieved or even prevented with some simple stretching or other self-care measures. But, if they start to occur regularly and cause severe discomfort, visit your doctor. This is particularly true if leg cramps are interfering with your sleep or you’re having muscle weakness, swelling, numbness or pain that lingers or continues to come back.
The risk of getting night leg cramps increases with age, but it’s often difficult to pinpoint the cause. In fact, when your legs cramp at night, these cramps often occur for no known reason.