Sleeping in the middle of the night leg cramps symptoms: 1, may be due to overwork during the day, or work when moving heavy objects too much, or strenuous activities, resulting in the night when sleeping with a cold and the emergence of leg cramps. 2, may also be due to a prolonged period of time a posture, resulting in peripheral nerve compression, resulting in leg spasms. 3, osteoporosis, lack of calcium is caused by the leg cramps the main factors, especially for older people to do regular bone density checkups to find the symptoms of osteoporosis to achieve early prevention. Osteoporosis and calcium deficiency are the main factors that cause leg cramps, especially for the older people, we should do regular bone density checkups to detect the symptoms of osteoporosis in time and do early prevention. Pay attention to keep warm when sleeping at night, timely calcium supplement, and avoid excessive exertion. If after the above standardized treatment, there is no relief in the short term, and the frequency of leg cramps in the middle of the night is getting higher and higher, you must go to the regular hospital in time, complete the necessary auxiliary examinations, and choose a reasonable treatment after clarifying the cause, so that the symptoms of leg cramps in the middle of the night can be relieved in a timely and effective manner.