I do not know whether people noted that, in the spring, summer night, having nightmares, less frequently, while the fall, winter, having nightmares, and more opportunities. The reason why this phenomenon occurs because the autumn and winter nights, the temperature gradually turns cold, when the body stimulated by the cold, especially soles of the feet, abdomen by the cold stimulation, after nerve conduction will lead to cerebral cortex in a kinds of tensions.
This is a negative stimulus, it will trigger at this time made the dream turned to adventure, so emerged the so-called nightmare.
In winter, in order to fewer nightmares, people sleeping room in addition should make sure that there is a certain degree of air circulation, but also the need to maintain appropriate indoor temperature. In addition, every night before going to sleep to be washed with hot feet, before going to sleep pay attention to the feet and abdomen with the quilt properly to prevent cold stimulation.
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