what is it called when you calves get all tight when your sleeping and it hurts.

i heard it could be blood clots or lack of potatisum

It's commonly called a charley horse.

http://www.nlm.nih.gov/medlineplus/ency/article/002066.htm

its not carley horse

I suggest you discuss this with your doctor.

It seems to me that the website accurately describes what you posted.

The condition you are referring to when your calves get tight and painful while sleeping is commonly known as nocturnal leg cramps. Nocturnal leg cramps are sudden, painful contractions or spasms that occur in the calf muscles during sleep.

There can be various causes for nocturnal leg cramps, including:

1. Dehydration: Insufficient fluid intake can lead to electrolyte imbalances, which may contribute to muscle cramps.

2. Electrolyte imbalances: Low levels of minerals such as potassium, magnesium, or calcium can disrupt the normal function of muscles and lead to cramping.

3. Overuse of muscles: Excessive physical activity or prolonged standing can strain the muscles and trigger cramps.

4. Nerve compression: Nerve compression in the spine or peripheral nerves can cause muscle cramps, especially if the affected nerves are responsible for controlling muscle function.

5. Medications: Some medications, such as certain diuretics, can disrupt electrolyte balance and increase the likelihood of leg cramps.

Regarding your question about blood clots, nocturnal leg cramps are generally not associated with blood clots. However, if you are experiencing other symptoms such as swelling, warmth, or redness in your calf, it is important to consult a healthcare professional as it could indicate a more serious condition.

To alleviate nocturnal leg cramps, you can try the following measures:

1. Stretching exercises: Gently stretching your calf muscles before bed and periodically during the day can help ease muscle tightness.

2. Hydration: Ensure you are adequately hydrated by drinking enough fluids throughout the day, especially water and fluids containing electrolytes.

3. Proper nutrition: Maintain a balanced diet rich in potassium, magnesium, and calcium. Foods such as bananas, leafy greens, nuts, and dairy products can be good sources of these minerals.

4. Warm baths or heating pads: Applying warmth to your leg muscles through warm baths or using heating pads can help relax the muscles and relieve cramps.

5. Massage: Massaging your calf muscles before sleep can promote relaxation and alleviate muscle tightness.

If your nocturnal leg cramps persist despite these self-care measures or if they are severely affecting your sleep quality, it is recommended to consult a healthcare professional for further evaluation and guidance.