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Zhuge Liang's cottage spring sleep

  Liu Bei three Gu Mao Lu, Kong Ming finally played. But the Mr. Wolong big daytime sleep at home, so Liu Bei three brothers waiting for a long time outside. Kong Ming woke up a poem: big dream who foresight? I know myself. Cottage spring sleep, the sun behind the window.

  Tang Dynasty poet Meng Haoran in the "Chunxiao" also wrote: "spring sleep do not know Xiao, everywhere smell birds." Stressed that a "spring" word, folk often say "spring sleepy." In the spring, many people feel languid, sleepy.

  People in the winter, due to cold weather, the body's skin on the capillaries and pores relative to reduce the loss of heat to maintain a constant body temperature. In this way, the blood is flooded in the brain and internal organs, so that the brain to get adequate blood supply. Because of the abundant supply of oxygen and nutrients, people maintain a sober mind and exuberant energy. After the spring, the temperature rises, the body surface skin can no longer resist the cold and was contraction of the state, and gradually began to diastolic, the amount of blood flow to the skin capillaries increased accordingly, so that the flow of blood to the brain and viscera corresponding reduction. As the brain in the long winter has been adapted to the blood supply environment, for the reduction of blood supply is still difficult to adapt. Coupled with the warmer of the body after the organ oxygen consumption also followed the increase, so that the blood supply to the brain more reduced shape, thereby reducing the excitability of the cerebral cortex, and even produce "spring sleep." Moreover, in the spring when the low pressure, low wind speed, these climatic factors also make people passively sleepy sleepy, tired body feeling.

  This seems, Zhuge Liang's "cottage spring sleep", Meng Haoran's "spring sleep do not feel dawn", are also very natural.

  The drowsiness of this time is caused by seasonal differences in blood circulation. In order to prevent and avoid such drowsiness, in ensuring normal sleep time, the most effective way is to actively participate in physical exercise, promote blood circulation. Should often go to the high oxygen content of the woods, waterfront, lawn walk, or do some other fitness sports, such as tai chi, Tai Chi sword, radio exercises, aerobics, jogging and ball games. In addition, the appropriate reduction in clothing, control the expansion of the skin capillaries, but also help to overcome the phenomenon of spring.

  "Three Kingdoms" described in the Zhuge Liang cottage spring sleep, in fact, a nap. Nap is necessary for humans. Sleep physiology points out that adult sleep has 24 sleep peaks in 24 hours, that is, the time most in need of sleep. The first is the main sleep peak, around 2 pm; the second is the secondary sleep peak, around 2 pm. These two major and secondary sleep peaks coincide with the major and secondary troughs of the body temperature "biological clock". Scientists believe that this is not accidental "coincidence", but in the long process of biological evolution formed, not overnight can change.

  Nap, the ancient name "day sleep". If the health, will eat better sleep, sleep at night, "child", day sleep "noon", the two complement each other, than "a pillow Huang Liang awake five more" more scientific, more healthy.

  Chinese medicine believes that sleep is the result of alternating yin and yang, nap is indispensable. Ancient health works "old and honest words" wrote: "Every day to the afternoon, less sleepy Yang Yang; when the child, sleeping to Yin. Yin and Yang coordination, all diseases do not invade." Really concise, The

  People with nap habits, at nap, EEG shows that the depth of slow wave sleep 3 to 4 is more abundant. Highly industrialized countries Japan, the United States and Canada have been found, due to fatigue and cardiovascular disease caused by sudden death, occurred in the afternoon 2 to 3 pm or so. At this time is the peak of each country's car accident, but also the peak of winter skiing in North America, and nap has a clear preventive effect. Therefore, our traditional nap, did not mean "lazy", but a necessary "health" measures. Zhuge Liang's nap should be a good living habits, in the modern life of the rhythm is very tight, the nap is even more necessary.

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