The most common reason is plant nerve dysfunction. 1, the most common reason is plant nerve dysfunction, in this type of patients rest and sleep is difficult to enter the deep sleep state, because the lack of deep sleep state in the light sleep phase will appear involuntary involuntary movement of the limbs, including lower limb elevation, cross legs, etc. 2, sleep cross legs also and cerebrovascular a transient ischemia caused by spasm. The company’s main business is the development of a new product, which is a new product for the company. The condition of sleeping with legs crossed will also appear after this time.