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Most of the time, no apparent cause for night leg cramps can be identified. In general, night leg cramps are likely to be related to muscle fatigue and nerve problems. The risk of having night leg cramps increases with age. Pregnant women also have a higher likelihood of having night leg cramps. Several conditions, such as kidney failure and diabetic nerve damage, are known to cause night leg cramps. But if you have one of these, you're most likely aware of it and have symptoms other than night leg cramps.
Staring at a computer monitor for long hours can also cause strain which can lead to a twitch in the left eye. Fatigue-When the eyes become tired the eyelids can start to spasm. This is a sign that it is time to go to bed or that you have not been getting an adequate amount of sleep lately.