Waking up in the dead of night with a vise-like grip in your calf or foot is a special kind of agony. It's abrupt, intense, and can leave your muscle tender for days. If this is a regular occurrence for you, it's more than just a nuisance—it's your body sounding an alarm.
While often harmless, nighttime leg cramps can be a sign that something is out of balance. Here's what you need to know immediately—what's happening, why it happens, and how to stop it.
First, What's Actually Happening?
A muscle cramp is a sudden, involuntary contraction of one or more muscles. During a cramp, the muscle fibers contract and won't relax. It can last from a few seconds to several agonizing minutes.
Night leg cramps (also called nocturnal leg cramps) specifically occur—you guessed it—at night, often jolting you from sleep. They most commonly affect the:
Calves (most common)
Feet (especially the arches)
Thighs (less common)
What to Do IMMEDIATELY When a Cramp Hits
The #1 Rule: DON'T POINT YOUR TOES
Your instinct might be to point your toes to stretch out the cramp—don't. This actually intensifies the contraction.
Instead, Do This:

