Traditional Culture Encyclopedia - The 24 Solar Terms - Why do people always feel sleepy in spring?
Why do people always feel sleepy in spring?
The main reason is that in winter, in order to resist the cold, the peripheral blood vessels on the body surface contract to reduce heat dissipation, so that the blood supply to the internal organs and brain is relatively sufficient, thus making people energetic. The temperature rises in spring, but the peripheral blood vessels have not been adjusted well for a while, so there will be spring sleepiness. At the same time, in spring, human metabolism is enhanced, oxygen consumption is increased, and oxygen supply to brain tissue is relatively reduced, which also makes people feel sleepy.
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