Calcium deficiency in women can affect sleep, the common reasons are as follows: 1, osteoporosis: women with age hormonal changes, prone to osteoporosis, the rate of osteoporosis may further increase when women lack calcium, and osteoporosis may lead to chronic, wandering pain throughout the body joints, as well as the lower back, and the pain is more intense at night, and may even lead to back fractures due to minor trauma, hunchback, etc. Symptoms, and the above symptoms are usually more obvious at night, night pain is a common cause of sleep quality of older women; 2, leg cramps: calcium deficiency in women may lead to a decrease in the concentration of calcium ions in the blood, which may cause symptoms such as foot cramps and leg cramps when sleeping at night, thus affecting the quality of women’s sleep; 3, nerve excitement: calcium ions in the blood have an important role in regulating the excitability of the nervous system. Calcium deficiency may lead to a decrease in blood calcium ion concentration, at which time the patient may be in a state of hyperexcitement, excitement, anxiety and other symptoms, which in turn affects sleep and makes women suffer from insomnia.